21846320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 54853632

約数和(自身を除く): 33007312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 383, 460, 496, 620, 713, 766, 920, 1240, 1426, 1532, 1840, 1915, 2480, 2852, 3064, 3565, 3830, 5704, 6128, 7130, 7660, 8809, 11408, 11873, 14260, 15320, 17618, 23746, 28520, 30640, 35236, 44045, 47492, 57040, 59365, 70472, 88090, 94984, 118730, 140944, 176180, 189968, 237460, 273079, 352360, 474920, 546158, 704720, 949840, 1092316, 1365395, 2184632, 2730790, 4369264, 5461580, 10923160, 21846320]

約数ペア:

[(1, 21846320), (2, 10923160), (4, 5461580), (5, 4369264), (8, 2730790), (10, 2184632), (16, 1365395), (20, 1092316), (23, 949840), (31, 704720), (40, 546158), (46, 474920), (62, 352360), (80, 273079), (92, 237460), (115, 189968), (124, 176180), (155, 140944), (184, 118730), (230, 94984), (248, 88090), (310, 70472), (368, 59365), (383, 57040), (460, 47492), (496, 44045), (620, 35236), (713, 30640), (766, 28520), (920, 23746), (1240, 17618), (1426, 15320), (1532, 14260), (1840, 11873), (1915, 11408), (2480, 8809), (2852, 7660), (3064, 7130), (3565, 6128), (3830, 5704)]