21082973192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{853}}^1\times {\mathrm{1439}}^1$

素因数の和:2430

約数の個数: 64

約数和(自身を含む): 42057792000

約数和(自身を除く): 20974818808

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 853, 904, 1439, 1706, 2147, 2878, 3412, 4294, 5756, 6824, 8588, 11512, 16207, 17176, 27341, 32414, 54682, 64828, 96389, 109364, 129656, 162607, 192778, 218728, 325214, 385556, 650428, 771112, 1227467, 1300856, 1831391, 2454934, 3089533, 3662782, 4909868, 6179066, 7325564, 9819736, 12358132, 14651128, 23321873, 24716264, 46643746, 93287492, 138703771, 186574984, 277407542, 554815084, 1109630168, 2635371649, 5270743298, 10541486596, 21082973192]

約数ペア:

[(1, 21082973192), (2, 10541486596), (4, 5270743298), (8, 2635371649), (19, 1109630168), (38, 554815084), (76, 277407542), (113, 186574984), (152, 138703771), (226, 93287492), (452, 46643746), (853, 24716264), (904, 23321873), (1439, 14651128), (1706, 12358132), (2147, 9819736), (2878, 7325564), (3412, 6179066), (4294, 4909868), (5756, 3662782), (6824, 3089533), (8588, 2454934), (11512, 1831391), (16207, 1300856), (17176, 1227467), (27341, 771112), (32414, 650428), (54682, 385556), (64828, 325214), (96389, 218728), (109364, 192778), (129656, 162607)]