21247080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3001}}^1$

素因数の和:3074

約数の個数: 64

約数和(自身を含む): 64843200

約数和(自身を除く): 43596120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3001, 3540, 6002, 7080, 9003, 12004, 15005, 18006, 24008, 30010, 36012, 45015, 60020, 72024, 90030, 120040, 177059, 180060, 354118, 360120, 531177, 708236, 885295, 1062354, 1416472, 1770590, 2124708, 2655885, 3541180, 4249416, 5311770, 7082360, 10623540, 21247080]

約数ペア:

[(1, 21247080), (2, 10623540), (3, 7082360), (4, 5311770), (5, 4249416), (6, 3541180), (8, 2655885), (10, 2124708), (12, 1770590), (15, 1416472), (20, 1062354), (24, 885295), (30, 708236), (40, 531177), (59, 360120), (60, 354118), (118, 180060), (120, 177059), (177, 120040), (236, 90030), (295, 72024), (354, 60020), (472, 45015), (590, 36012), (708, 30010), (885, 24008), (1180, 18006), (1416, 15005), (1770, 12004), (2360, 9003), (3001, 7080), (3540, 6002)]