21323848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1766

約数の個数: 64

約数和(自身を含む): 52133760

約数和(自身を除く): 30809912

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1723, 1768, 3094, 3446, 6188, 6892, 12061, 12376, 13784, 22399, 24122, 29291, 44798, 48244, 58582, 89596, 96488, 117164, 156793, 179192, 205037, 234328, 313586, 380783, 410074, 627172, 761566, 820148, 1254344, 1523132, 1640296, 2665481, 3046264, 5330962, 10661924, 21323848]

約数ペア:

[(1, 21323848), (2, 10661924), (4, 5330962), (7, 3046264), (8, 2665481), (13, 1640296), (14, 1523132), (17, 1254344), (26, 820148), (28, 761566), (34, 627172), (52, 410074), (56, 380783), (68, 313586), (91, 234328), (104, 205037), (119, 179192), (136, 156793), (182, 117164), (221, 96488), (238, 89596), (364, 58582), (442, 48244), (476, 44798), (728, 29291), (884, 24122), (952, 22399), (1547, 13784), (1723, 12376), (1768, 12061), (3094, 6892), (3446, 6188)]