21608761408

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{15359}}^1$

素因数の和:15492

約数の個数: 112

約数和(自身を含む): 49158144000

約数和(自身を除く): 27549382592

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 89, 104, 152, 178, 208, 247, 304, 356, 416, 494, 608, 712, 832, 988, 1157, 1216, 1424, 1691, 1976, 2314, 2848, 3382, 3952, 4628, 5696, 6764, 7904, 9256, 13528, 15359, 15808, 18512, 21983, 27056, 30718, 37024, 43966, 54112, 61436, 74048, 87932, 108224, 122872, 175864, 199667, 245744, 291821, 351728, 399334, 491488, 583642, 703456, 798668, 982976, 1167284, 1366951, 1406912, 1597336, 2334568, 2733902, 3194672, 3793673, 4669136, 5467804, 6389344, 7587346, 9338272, 10935608, 12778688, 15174692, 17770363, 18676544, 21871216, 25972069, 30349384, 35540726, 43742432, 51944138, 60698768, 71081452, 87484864, 103888276, 121397536, 142162904, 207776552, 242795072, 284325808, 337636897, 415553104, 568651616, 675273794, 831106208, 1137303232, 1350547588, 1662212416, 2701095176, 5402190352, 10804380704, 21608761408]

約数ペア:

[(1, 21608761408), (2, 10804380704), (4, 5402190352), (8, 2701095176), (13, 1662212416), (16, 1350547588), (19, 1137303232), (26, 831106208), (32, 675273794), (38, 568651616), (52, 415553104), (64, 337636897), (76, 284325808), (89, 242795072), (104, 207776552), (152, 142162904), (178, 121397536), (208, 103888276), (247, 87484864), (304, 71081452), (356, 60698768), (416, 51944138), (494, 43742432), (608, 35540726), (712, 30349384), (832, 25972069), (988, 21871216), (1157, 18676544), (1216, 17770363), (1424, 15174692), (1691, 12778688), (1976, 10935608), (2314, 9338272), (2848, 7587346), (3382, 6389344), (3952, 5467804), (4628, 4669136), (5696, 3793673), (6764, 3194672), (7904, 2733902), (9256, 2334568), (13528, 1597336), (15359, 1406912), (15808, 1366951), (18512, 1167284), (21983, 982976), (27056, 798668), (30718, 703456), (37024, 583642), (43966, 491488), (54112, 399334), (61436, 351728), (74048, 291821), (87932, 245744), (108224, 199667), (122872, 175864)]