21626696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 50830080

約数和(自身を除く): 29203384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 244, 364, 427, 487, 488, 728, 793, 854, 974, 1586, 1708, 1948, 3172, 3409, 3416, 3896, 5551, 6331, 6344, 6818, 11102, 12662, 13636, 22204, 25324, 27272, 29707, 44317, 44408, 50648, 59414, 88634, 118828, 177268, 207949, 237656, 354536, 386191, 415898, 772382, 831796, 1544764, 1663592, 2703337, 3089528, 5406674, 10813348, 21626696]

約数ペア:

[(1, 21626696), (2, 10813348), (4, 5406674), (7, 3089528), (8, 2703337), (13, 1663592), (14, 1544764), (26, 831796), (28, 772382), (52, 415898), (56, 386191), (61, 354536), (91, 237656), (104, 207949), (122, 177268), (182, 118828), (244, 88634), (364, 59414), (427, 50648), (487, 44408), (488, 44317), (728, 29707), (793, 27272), (854, 25324), (974, 22204), (1586, 13636), (1708, 12662), (1948, 11102), (3172, 6818), (3409, 6344), (3416, 6331), (3896, 5551)]