21314990320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{3181}}^1$

素因数の和:3603

約数の個数: 160

約数和(自身を含む): 56675747520

約数和(自身を除く): 35360757200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 379, 442, 520, 680, 758, 884, 1040, 1105, 1360, 1516, 1768, 1895, 2210, 3032, 3181, 3536, 3790, 4420, 4927, 6064, 6362, 6443, 7580, 8840, 9854, 12724, 12886, 15160, 15905, 17680, 19708, 24635, 25448, 25772, 30320, 31810, 32215, 39416, 41353, 49270, 50896, 51544, 54077, 63620, 64430, 78832, 82706, 83759, 98540, 103088, 108154, 127240, 128860, 165412, 167518, 197080, 206765, 216308, 254480, 257720, 270385, 330824, 335036, 394160, 413530, 418795, 432616, 515440, 540770, 661648, 670072, 703001, 827060, 837590, 865232, 1081540, 1205599, 1340144, 1406002, 1654120, 1675180, 2163080, 2411198, 2812004, 3308240, 3350360, 3515005, 4326160, 4822396, 5624008, 6027995, 6700720, 7030010, 9644792, 11248016, 12055990, 14060020, 15672787, 19289584, 20495183, 24111980, 28120040, 31345574, 40990366, 48223960, 56240080, 62691148, 78363935, 81980732, 96447920, 102475915, 125382296, 156727870, 163961464, 204951830, 250764592, 266437379, 313455740, 327922928, 409903660, 532874758, 626911480, 819807320, 1065749516, 1253822960, 1332186895, 1639614640, 2131499032, 2664373790, 4262998064, 5328747580, 10657495160, 21314990320]

約数ペア:

[(1, 21314990320), (2, 10657495160), (4, 5328747580), (5, 4262998064), (8, 2664373790), (10, 2131499032), (13, 1639614640), (16, 1332186895), (17, 1253822960), (20, 1065749516), (26, 819807320), (34, 626911480), (40, 532874758), (52, 409903660), (65, 327922928), (68, 313455740), (80, 266437379), (85, 250764592), (104, 204951830), (130, 163961464), (136, 156727870), (170, 125382296), (208, 102475915), (221, 96447920), (260, 81980732), (272, 78363935), (340, 62691148), (379, 56240080), (442, 48223960), (520, 40990366), (680, 31345574), (758, 28120040), (884, 24111980), (1040, 20495183), (1105, 19289584), (1360, 15672787), (1516, 14060020), (1768, 12055990), (1895, 11248016), (2210, 9644792), (3032, 7030010), (3181, 6700720), (3536, 6027995), (3790, 5624008), (4420, 4822396), (4927, 4326160), (6064, 3515005), (6362, 3350360), (6443, 3308240), (7580, 2812004), (8840, 2411198), (9854, 2163080), (12724, 1675180), (12886, 1654120), (15160, 1406002), (15905, 1340144), (17680, 1205599), (19708, 1081540), (24635, 865232), (25448, 837590), (25772, 827060), (30320, 703001), (31810, 670072), (32215, 661648), (39416, 540770), (41353, 515440), (49270, 432616), (50896, 418795), (51544, 413530), (54077, 394160), (63620, 335036), (64430, 330824), (78832, 270385), (82706, 257720), (83759, 254480), (98540, 216308), (103088, 206765), (108154, 197080), (127240, 167518), (128860, 165412)]