21429630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 57657600

約数和(自身を除く): 36227970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 139, 270, 278, 417, 571, 695, 834, 1142, 1251, 1390, 1713, 2085, 2502, 2855, 3426, 3753, 4170, 5139, 5710, 6255, 7506, 8565, 10278, 12510, 15417, 17130, 18765, 25695, 30834, 37530, 51390, 77085, 79369, 154170, 158738, 238107, 396845, 476214, 714321, 793690, 1190535, 1428642, 2142963, 2381070, 3571605, 4285926, 7143210, 10714815, 21429630]

約数ペア:

[(1, 21429630), (2, 10714815), (3, 7143210), (5, 4285926), (6, 3571605), (9, 2381070), (10, 2142963), (15, 1428642), (18, 1190535), (27, 793690), (30, 714321), (45, 476214), (54, 396845), (90, 238107), (135, 158738), (139, 154170), (270, 79369), (278, 77085), (417, 51390), (571, 37530), (695, 30834), (834, 25695), (1142, 18765), (1251, 17130), (1390, 15417), (1713, 12510), (2085, 10278), (2502, 8565), (2855, 7506), (3426, 6255), (3753, 5710), (4170, 5139)]