21132390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{733}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 52478064

約数和(自身を除く): 31345674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 733, 930, 961, 1466, 1922, 2199, 2883, 3665, 4398, 4805, 5766, 7330, 9610, 10995, 14415, 21990, 22723, 28830, 45446, 68169, 113615, 136338, 227230, 340845, 681690, 704413, 1408826, 2113239, 3522065, 4226478, 7044130, 10566195, 21132390]

約数ペア:

[(1, 21132390), (2, 10566195), (3, 7044130), (5, 4226478), (6, 3522065), (10, 2113239), (15, 1408826), (30, 704413), (31, 681690), (62, 340845), (93, 227230), (155, 136338), (186, 113615), (310, 68169), (465, 45446), (733, 28830), (930, 22723), (961, 21990), (1466, 14415), (1922, 10995), (2199, 9610), (2883, 7330), (3665, 5766), (4398, 4805)]