21642045700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{99871}}^1$

素因数の和:100093

約数の個数: 72

約数和(自身を含む): 51493204224

約数和(自身を除く): 29851158524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 197, 220, 275, 394, 550, 788, 985, 1100, 1970, 2167, 3940, 4334, 4925, 8668, 9850, 10835, 19700, 21670, 43340, 54175, 99871, 108350, 199742, 216700, 399484, 499355, 998710, 1098581, 1997420, 2197162, 2496775, 4394324, 4993550, 5492905, 9987100, 10985810, 19674587, 21971620, 27464525, 39349174, 54929050, 78698348, 98372935, 109858100, 196745870, 216420457, 393491740, 432840914, 491864675, 865681828, 983729350, 1082102285, 1967458700, 2164204570, 4328409140, 5410511425, 10821022850, 21642045700]

約数ペア:

[(1, 21642045700), (2, 10821022850), (4, 5410511425), (5, 4328409140), (10, 2164204570), (11, 1967458700), (20, 1082102285), (22, 983729350), (25, 865681828), (44, 491864675), (50, 432840914), (55, 393491740), (100, 216420457), (110, 196745870), (197, 109858100), (220, 98372935), (275, 78698348), (394, 54929050), (550, 39349174), (788, 27464525), (985, 21971620), (1100, 19674587), (1970, 10985810), (2167, 9987100), (3940, 5492905), (4334, 4993550), (4925, 4394324), (8668, 2496775), (9850, 2197162), (10835, 1997420), (19700, 1098581), (21670, 998710), (43340, 499355), (54175, 399484), (99871, 216700), (108350, 199742)]