21899330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1723}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 41707008

約数和(自身を除く): 19807678

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1723, 2542, 3446, 6355, 8615, 12710, 17230, 53413, 70643, 106826, 141286, 267065, 353215, 534130, 706430, 2189933, 4379866, 10949665, 21899330]

約数ペア:

[(1, 21899330), (2, 10949665), (5, 4379866), (10, 2189933), (31, 706430), (41, 534130), (62, 353215), (82, 267065), (155, 141286), (205, 106826), (310, 70643), (410, 53413), (1271, 17230), (1723, 12710), (2542, 8615), (3446, 6355)]