21405141200

素因数分解:

$2^4\times 5^2\times {\mathrm{2143}}^1\times {\mathrm{24971}}^1$

素因数の和:27132

約数の個数: 60

約数和(自身を含む): 51451909248

約数和(自身を除く): 30046768048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2143, 4286, 8572, 10715, 17144, 21430, 24971, 34288, 42860, 49942, 53575, 85720, 99884, 107150, 124855, 171440, 199768, 214300, 249710, 399536, 428600, 499420, 624275, 857200, 998840, 1248550, 1997680, 2497100, 4994200, 9988400, 53512853, 107025706, 214051412, 267564265, 428102824, 535128530, 856205648, 1070257060, 1337821325, 2140514120, 2675642650, 4281028240, 5351285300, 10702570600, 21405141200]

約数ペア:

[(1, 21405141200), (2, 10702570600), (4, 5351285300), (5, 4281028240), (8, 2675642650), (10, 2140514120), (16, 1337821325), (20, 1070257060), (25, 856205648), (40, 535128530), (50, 428102824), (80, 267564265), (100, 214051412), (200, 107025706), (400, 53512853), (2143, 9988400), (4286, 4994200), (8572, 2497100), (10715, 1997680), (17144, 1248550), (21430, 998840), (24971, 857200), (34288, 624275), (42860, 499420), (49942, 428600), (53575, 399536), (85720, 249710), (99884, 214300), (107150, 199768), (124855, 171440)]