21455142910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{743}}^1\times {\mathrm{2879}}^1$

素因数の和:3705

約数の個数: 64

約数和(自身を含む): 41654476800

約数和(自身を除く): 20199333890

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 590, 743, 1003, 1486, 2006, 2879, 3715, 5015, 5758, 7430, 10030, 12631, 14395, 25262, 28790, 43837, 48943, 63155, 87674, 97886, 126310, 169861, 219185, 244715, 339722, 438370, 489430, 745229, 849305, 1490458, 1698610, 2139097, 2887637, 3726145, 4278194, 5775274, 7452290, 10695485, 14438185, 21390970, 28876370, 36364649, 72729298, 126206723, 181823245, 252413446, 363646490, 631033615, 1262067230, 2145514291, 4291028582, 10727571455, 21455142910]

約数ペア:

[(1, 21455142910), (2, 10727571455), (5, 4291028582), (10, 2145514291), (17, 1262067230), (34, 631033615), (59, 363646490), (85, 252413446), (118, 181823245), (170, 126206723), (295, 72729298), (590, 36364649), (743, 28876370), (1003, 21390970), (1486, 14438185), (2006, 10695485), (2879, 7452290), (3715, 5775274), (5015, 4278194), (5758, 3726145), (7430, 2887637), (10030, 2139097), (12631, 1698610), (14395, 1490458), (25262, 849305), (28790, 745229), (43837, 489430), (48943, 438370), (63155, 339722), (87674, 244715), (97886, 219185), (126310, 169861)]