21315862920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3001}}^1\times {\mathrm{5381}}^1$

素因数の和:8407

約数の個数: 128

約数和(自身を含む): 69797220480

約数和(自身を除く): 48481357560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 3001, 5381, 6002, 9003, 10762, 12004, 15005, 16143, 18006, 21524, 24008, 26905, 30010, 32286, 33011, 36012, 43048, 45015, 53810, 59191, 60020, 64572, 66022, 72024, 80715, 90030, 99033, 107620, 118382, 120040, 129144, 132044, 161430, 165055, 177573, 180060, 198066, 215240, 236764, 264088, 295955, 322860, 330110, 355146, 360120, 396132, 473528, 495165, 591910, 645720, 660220, 710292, 792264, 887865, 990330, 1183820, 1320440, 1420584, 1775730, 1980660, 2367640, 3551460, 3961320, 7102920, 16148381, 32296762, 48445143, 64593524, 80741905, 96890286, 129187048, 161483810, 177632191, 193780572, 242225715, 322967620, 355264382, 387561144, 484451430, 532896573, 645935240, 710528764, 888160955, 968902860, 1065793146, 1421057528, 1776321910, 1937805720, 2131586292, 2664482865, 3552643820, 4263172584, 5328965730, 7105287640, 10657931460, 21315862920]

約数ペア:

[(1, 21315862920), (2, 10657931460), (3, 7105287640), (4, 5328965730), (5, 4263172584), (6, 3552643820), (8, 2664482865), (10, 2131586292), (11, 1937805720), (12, 1776321910), (15, 1421057528), (20, 1065793146), (22, 968902860), (24, 888160955), (30, 710528764), (33, 645935240), (40, 532896573), (44, 484451430), (55, 387561144), (60, 355264382), (66, 322967620), (88, 242225715), (110, 193780572), (120, 177632191), (132, 161483810), (165, 129187048), (220, 96890286), (264, 80741905), (330, 64593524), (440, 48445143), (660, 32296762), (1320, 16148381), (3001, 7102920), (5381, 3961320), (6002, 3551460), (9003, 2367640), (10762, 1980660), (12004, 1775730), (15005, 1420584), (16143, 1320440), (18006, 1183820), (21524, 990330), (24008, 887865), (26905, 792264), (30010, 710292), (32286, 660220), (33011, 645720), (36012, 591910), (43048, 495165), (45015, 473528), (53810, 396132), (59191, 360120), (60020, 355146), (64572, 330110), (66022, 322860), (72024, 295955), (80715, 264088), (90030, 236764), (99033, 215240), (107620, 198066), (118382, 180060), (120040, 177573), (129144, 165055), (132044, 161430)]