21414944740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{8009}}^1$

素因数の和:8365

約数の個数: 96

約数和(自身を含む): 52320038400

約数和(自身を除く): 30905093660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 269, 284, 355, 497, 538, 710, 994, 1076, 1345, 1420, 1883, 1988, 2485, 2690, 3766, 4970, 5380, 7532, 8009, 9415, 9940, 16018, 18830, 19099, 32036, 37660, 38198, 40045, 56063, 76396, 80090, 95495, 112126, 133693, 160180, 190990, 224252, 267386, 280315, 381980, 534772, 560630, 568639, 668465, 1121260, 1137278, 1336930, 2154421, 2274556, 2673860, 2843195, 3980473, 4308842, 5686390, 7960946, 8617684, 10772105, 11372780, 15080947, 15921892, 19902365, 21544210, 30161894, 39804730, 43088420, 60323788, 75404735, 79609460, 150809470, 152963891, 301618940, 305927782, 611855564, 764819455, 1070747237, 1529638910, 2141494474, 3059277820, 4282988948, 5353736185, 10707472370, 21414944740]

約数ペア:

[(1, 21414944740), (2, 10707472370), (4, 5353736185), (5, 4282988948), (7, 3059277820), (10, 2141494474), (14, 1529638910), (20, 1070747237), (28, 764819455), (35, 611855564), (70, 305927782), (71, 301618940), (140, 152963891), (142, 150809470), (269, 79609460), (284, 75404735), (355, 60323788), (497, 43088420), (538, 39804730), (710, 30161894), (994, 21544210), (1076, 19902365), (1345, 15921892), (1420, 15080947), (1883, 11372780), (1988, 10772105), (2485, 8617684), (2690, 7960946), (3766, 5686390), (4970, 4308842), (5380, 3980473), (7532, 2843195), (8009, 2673860), (9415, 2274556), (9940, 2154421), (16018, 1336930), (18830, 1137278), (19099, 1121260), (32036, 668465), (37660, 568639), (38198, 560630), (40045, 534772), (56063, 381980), (76396, 280315), (80090, 267386), (95495, 224252), (112126, 190990), (133693, 160180)]