21690810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14177}}^1$

素因数の和:14207

約数の個数: 48

約数和(自身を含む): 59717736

約数和(自身を除く): 38026926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 14177, 28354, 42531, 70885, 85062, 127593, 141770, 212655, 241009, 255186, 425310, 482018, 637965, 723027, 1205045, 1275930, 1446054, 2169081, 2410090, 3615135, 4338162, 7230270, 10845405, 21690810]

約数ペア:

[(1, 21690810), (2, 10845405), (3, 7230270), (5, 4338162), (6, 3615135), (9, 2410090), (10, 2169081), (15, 1446054), (17, 1275930), (18, 1205045), (30, 723027), (34, 637965), (45, 482018), (51, 425310), (85, 255186), (90, 241009), (102, 212655), (153, 141770), (170, 127593), (255, 85062), (306, 70885), (510, 42531), (765, 28354), (1530, 14177)]