21461844608

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{1931}}^1\times {\mathrm{2801}}^1$

素因数の和:4777

約数の個数: 64

約数和(自身を含む): 44173866240

約数和(自身を除く): 22712021632

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1931, 1984, 2801, 3862, 3968, 5602, 7724, 11204, 15448, 22408, 30896, 44816, 59861, 61792, 86831, 89632, 119722, 123584, 173662, 179264, 239444, 247168, 347324, 358528, 478888, 694648, 957776, 1389296, 1915552, 2778592, 3831104, 5408731, 5557184, 7662208, 10817462, 11114368, 21634924, 43269848, 86539696, 167670661, 173079392, 335341322, 346158784, 670682644, 692317568, 1341365288, 2682730576, 5365461152, 10730922304, 21461844608]

約数ペア:

[(1, 21461844608), (2, 10730922304), (4, 5365461152), (8, 2682730576), (16, 1341365288), (31, 692317568), (32, 670682644), (62, 346158784), (64, 335341322), (124, 173079392), (128, 167670661), (248, 86539696), (496, 43269848), (992, 21634924), (1931, 11114368), (1984, 10817462), (2801, 7662208), (3862, 5557184), (3968, 5408731), (5602, 3831104), (7724, 2778592), (11204, 1915552), (15448, 1389296), (22408, 957776), (30896, 694648), (44816, 478888), (59861, 358528), (61792, 347324), (86831, 247168), (89632, 239444), (119722, 179264), (123584, 173662)]