21301528032

素因数分解:

$2^5\times 3^2\times {\mathrm{59}}^1\times {\mathrm{1253621}}^1$

素因数の和:1253696

約数の個数: 72

約数和(自身を含む): 61602985080

約数和(自身を除く): 40301457048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 59, 72, 96, 118, 144, 177, 236, 288, 354, 472, 531, 708, 944, 1062, 1416, 1888, 2124, 2832, 4248, 5664, 8496, 16992, 1253621, 2507242, 3760863, 5014484, 7521726, 10028968, 11282589, 15043452, 20057936, 22565178, 30086904, 40115872, 45130356, 60173808, 73963639, 90260712, 120347616, 147927278, 180521424, 221890917, 295854556, 361042848, 443781834, 591709112, 665672751, 887563668, 1183418224, 1331345502, 1775127336, 2366836448, 2662691004, 3550254672, 5325382008, 7100509344, 10650764016, 21301528032]

約数ペア:

[(1, 21301528032), (2, 10650764016), (3, 7100509344), (4, 5325382008), (6, 3550254672), (8, 2662691004), (9, 2366836448), (12, 1775127336), (16, 1331345502), (18, 1183418224), (24, 887563668), (32, 665672751), (36, 591709112), (48, 443781834), (59, 361042848), (72, 295854556), (96, 221890917), (118, 180521424), (144, 147927278), (177, 120347616), (236, 90260712), (288, 73963639), (354, 60173808), (472, 45130356), (531, 40115872), (708, 30086904), (944, 22565178), (1062, 20057936), (1416, 15043452), (1888, 11282589), (2124, 10028968), (2832, 7521726), (4248, 5014484), (5664, 3760863), (8496, 2507242), (16992, 1253621)]