210221844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{401}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 569193408

約数和(自身を除く): 358971564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 401, 474, 553, 802, 948, 1106, 1203, 1604, 1659, 2212, 2406, 2807, 3318, 4812, 5614, 6241, 6636, 8421, 11228, 12482, 16842, 18723, 24964, 31679, 33684, 37446, 43687, 63358, 74892, 87374, 95037, 126716, 131061, 174748, 190074, 221753, 262122, 380148, 443506, 524244, 665259, 887012, 1330518, 2502641, 2661036, 5005282, 7507923, 10010564, 15015846, 17518487, 30031692, 35036974, 52555461, 70073948, 105110922, 210221844]

約数ペア:

[(1, 210221844), (2, 105110922), (3, 70073948), (4, 52555461), (6, 35036974), (7, 30031692), (12, 17518487), (14, 15015846), (21, 10010564), (28, 7507923), (42, 5005282), (79, 2661036), (84, 2502641), (158, 1330518), (237, 887012), (316, 665259), (401, 524244), (474, 443506), (553, 380148), (802, 262122), (948, 221753), (1106, 190074), (1203, 174748), (1604, 131061), (1659, 126716), (2212, 95037), (2406, 87374), (2807, 74892), (3318, 63358), (4812, 43687), (5614, 37446), (6241, 33684), (6636, 31679), (8421, 24964), (11228, 18723), (12482, 16842)]