21943530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 66388608

約数和(自身を除く): 44445078

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 571, 610, 630, 854, 915, 1098, 1142, 1281, 1713, 1830, 2135, 2562, 2745, 2855, 3426, 3843, 3997, 4270, 5139, 5490, 5710, 6405, 7686, 7994, 8565, 10278, 11991, 12810, 17130, 19215, 19985, 23982, 25695, 34831, 35973, 38430, 39970, 51390, 59955, 69662, 71946, 104493, 119910, 174155, 179865, 208986, 243817, 313479, 348310, 359730, 487634, 522465, 626958, 731451, 1044930, 1219085, 1462902, 1567395, 2194353, 2438170, 3134790, 3657255, 4388706, 7314510, 10971765, 21943530]

約数ペア:

[(1, 21943530), (2, 10971765), (3, 7314510), (5, 4388706), (6, 3657255), (7, 3134790), (9, 2438170), (10, 2194353), (14, 1567395), (15, 1462902), (18, 1219085), (21, 1044930), (30, 731451), (35, 626958), (42, 522465), (45, 487634), (61, 359730), (63, 348310), (70, 313479), (90, 243817), (105, 208986), (122, 179865), (126, 174155), (183, 119910), (210, 104493), (305, 71946), (315, 69662), (366, 59955), (427, 51390), (549, 39970), (571, 38430), (610, 35973), (630, 34831), (854, 25695), (915, 23982), (1098, 19985), (1142, 19215), (1281, 17130), (1713, 12810), (1830, 11991), (2135, 10278), (2562, 8565), (2745, 7994), (2855, 7686), (3426, 6405), (3843, 5710), (3997, 5490), (4270, 5139)]