21213270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18131}}^1$

素因数の和:18157

約数の個数: 48

約数和(自身を含む): 59400432

約数和(自身を除く): 38187162

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18131, 36262, 54393, 90655, 108786, 163179, 181310, 235703, 271965, 326358, 471406, 543930, 707109, 815895, 1178515, 1414218, 1631790, 2121327, 2357030, 3535545, 4242654, 7071090, 10606635, 21213270]

約数ペア:

[(1, 21213270), (2, 10606635), (3, 7071090), (5, 4242654), (6, 3535545), (9, 2357030), (10, 2121327), (13, 1631790), (15, 1414218), (18, 1178515), (26, 815895), (30, 707109), (39, 543930), (45, 471406), (65, 326358), (78, 271965), (90, 235703), (117, 181310), (130, 163179), (195, 108786), (234, 90655), (390, 54393), (585, 36262), (1170, 18131)]