21312860880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{16633}}^1$

素因数の和:16949

約数の個数: 160

約数和(自身を含む): 69798925440

約数和(自身を除く): 48486064560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 281, 285, 304, 380, 456, 562, 570, 760, 843, 912, 1124, 1140, 1405, 1520, 1686, 2248, 2280, 2810, 3372, 4215, 4496, 4560, 5339, 5620, 6744, 8430, 10678, 11240, 13488, 16017, 16633, 16860, 21356, 22480, 26695, 32034, 33266, 33720, 42712, 49899, 53390, 64068, 66532, 67440, 80085, 83165, 85424, 99798, 106780, 128136, 133064, 160170, 166330, 199596, 213560, 249495, 256272, 266128, 316027, 320340, 332660, 399192, 427120, 498990, 632054, 640680, 665320, 798384, 948081, 997980, 1264108, 1281360, 1330640, 1580135, 1896162, 1995960, 2528216, 3160270, 3792324, 3991920, 4673873, 4740405, 5056432, 6320540, 7584648, 9347746, 9480810, 12641080, 14021619, 15169296, 18695492, 18961620, 23369365, 25282160, 28043238, 37390984, 37923240, 46738730, 56086476, 70108095, 74781968, 75846480, 88803587, 93477460, 112172952, 140216190, 177607174, 186954920, 224345904, 266410761, 280432380, 355214348, 373909840, 444017935, 532821522, 560864760, 710428696, 888035870, 1065643044, 1121729520, 1332053805, 1420857392, 1776071740, 2131286088, 2664107610, 3552143480, 4262572176, 5328215220, 7104286960, 10656430440, 21312860880]

約数ペア:

[(1, 21312860880), (2, 10656430440), (3, 7104286960), (4, 5328215220), (5, 4262572176), (6, 3552143480), (8, 2664107610), (10, 2131286088), (12, 1776071740), (15, 1420857392), (16, 1332053805), (19, 1121729520), (20, 1065643044), (24, 888035870), (30, 710428696), (38, 560864760), (40, 532821522), (48, 444017935), (57, 373909840), (60, 355214348), (76, 280432380), (80, 266410761), (95, 224345904), (114, 186954920), (120, 177607174), (152, 140216190), (190, 112172952), (228, 93477460), (240, 88803587), (281, 75846480), (285, 74781968), (304, 70108095), (380, 56086476), (456, 46738730), (562, 37923240), (570, 37390984), (760, 28043238), (843, 25282160), (912, 23369365), (1124, 18961620), (1140, 18695492), (1405, 15169296), (1520, 14021619), (1686, 12641080), (2248, 9480810), (2280, 9347746), (2810, 7584648), (3372, 6320540), (4215, 5056432), (4496, 4740405), (4560, 4673873), (5339, 3991920), (5620, 3792324), (6744, 3160270), (8430, 2528216), (10678, 1995960), (11240, 1896162), (13488, 1580135), (16017, 1330640), (16633, 1281360), (16860, 1264108), (21356, 997980), (22480, 948081), (26695, 798384), (32034, 665320), (33266, 640680), (33720, 632054), (42712, 498990), (49899, 427120), (53390, 399192), (64068, 332660), (66532, 320340), (67440, 316027), (80085, 266128), (83165, 256272), (85424, 249495), (99798, 213560), (106780, 199596), (128136, 166330), (133064, 160170)]