21893664

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:410

約数の個数: 96

約数和(自身を含む): 63249984

約数和(自身を除く): 41356320

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 78, 96, 104, 106, 156, 159, 208, 212, 312, 318, 331, 416, 424, 624, 636, 662, 689, 848, 993, 1248, 1272, 1324, 1378, 1696, 1986, 2067, 2544, 2648, 2756, 3972, 4134, 4303, 5088, 5296, 5512, 7944, 8268, 8606, 10592, 11024, 12909, 15888, 16536, 17212, 17543, 22048, 25818, 31776, 33072, 34424, 35086, 51636, 52629, 66144, 68848, 70172, 103272, 105258, 137696, 140344, 206544, 210516, 228059, 280688, 413088, 421032, 456118, 561376, 684177, 842064, 912236, 1368354, 1684128, 1824472, 2736708, 3648944, 5473416, 7297888, 10946832, 21893664]

約数ペア:

[(1, 21893664), (2, 10946832), (3, 7297888), (4, 5473416), (6, 3648944), (8, 2736708), (12, 1824472), (13, 1684128), (16, 1368354), (24, 912236), (26, 842064), (32, 684177), (39, 561376), (48, 456118), (52, 421032), (53, 413088), (78, 280688), (96, 228059), (104, 210516), (106, 206544), (156, 140344), (159, 137696), (208, 105258), (212, 103272), (312, 70172), (318, 68848), (331, 66144), (416, 52629), (424, 51636), (624, 35086), (636, 34424), (662, 33072), (689, 31776), (848, 25818), (993, 22048), (1248, 17543), (1272, 17212), (1324, 16536), (1378, 15888), (1696, 12909), (1986, 11024), (2067, 10592), (2544, 8606), (2648, 8268), (2756, 7944), (3972, 5512), (4134, 5296), (4303, 5088)]