21913980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{33203}}^1$

素因数の和:33226

約数の個数: 48

約数和(自身を含む): 66939264

約数和(自身を除く): 45025284

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 33203, 66406, 99609, 132812, 166015, 199218, 332030, 365233, 398436, 498045, 664060, 730466, 996090, 1095699, 1460932, 1826165, 1992180, 2191398, 3652330, 4382796, 5478495, 7304660, 10956990, 21913980]

約数ペア:

[(1, 21913980), (2, 10956990), (3, 7304660), (4, 5478495), (5, 4382796), (6, 3652330), (10, 2191398), (11, 1992180), (12, 1826165), (15, 1460932), (20, 1095699), (22, 996090), (30, 730466), (33, 664060), (44, 498045), (55, 398436), (60, 365233), (66, 332030), (110, 199218), (132, 166015), (165, 132812), (220, 99609), (330, 66406), (660, 33203)]