21418920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59497}}^1$

素因数の和:59514

約数の個数: 48

約数和(自身を含む): 69612660

約数和(自身を除く): 48193740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59497, 118994, 178491, 237988, 297485, 356982, 475976, 535473, 594970, 713964, 892455, 1070946, 1189940, 1427928, 1784910, 2141892, 2379880, 2677365, 3569820, 4283784, 5354730, 7139640, 10709460, 21418920]

約数ペア:

[(1, 21418920), (2, 10709460), (3, 7139640), (4, 5354730), (5, 4283784), (6, 3569820), (8, 2677365), (9, 2379880), (10, 2141892), (12, 1784910), (15, 1427928), (18, 1189940), (20, 1070946), (24, 892455), (30, 713964), (36, 594970), (40, 535473), (45, 475976), (60, 356982), (72, 297485), (90, 237988), (120, 178491), (180, 118994), (360, 59497)]