21165210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21379}}^1$

素因数の和:21403

約数の個数: 48

約数和(自身を含む): 60035040

約数和(自身を除く): 38869830

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21379, 42758, 64137, 106895, 128274, 192411, 213790, 235169, 320685, 384822, 470338, 641370, 705507, 962055, 1175845, 1411014, 1924110, 2116521, 2351690, 3527535, 4233042, 7055070, 10582605, 21165210]

約数ペア:

[(1, 21165210), (2, 10582605), (3, 7055070), (5, 4233042), (6, 3527535), (9, 2351690), (10, 2116521), (11, 1924110), (15, 1411014), (18, 1175845), (22, 962055), (30, 705507), (33, 641370), (45, 470338), (55, 384822), (66, 320685), (90, 235169), (99, 213790), (110, 192411), (165, 128274), (198, 106895), (330, 64137), (495, 42758), (990, 21379)]