21953952

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2506

約数の個数: 72

約数和(自身を含む): 64471680

約数和(自身を除く): 42517728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2459, 2976, 4464, 4918, 7377, 8928, 9836, 14754, 19672, 22131, 29508, 39344, 44262, 59016, 76229, 78688, 88524, 118032, 152458, 177048, 228687, 236064, 304916, 354096, 457374, 609832, 686061, 708192, 914748, 1219664, 1372122, 1829496, 2439328, 2744244, 3658992, 5488488, 7317984, 10976976, 21953952]

約数ペア:

[(1, 21953952), (2, 10976976), (3, 7317984), (4, 5488488), (6, 3658992), (8, 2744244), (9, 2439328), (12, 1829496), (16, 1372122), (18, 1219664), (24, 914748), (31, 708192), (32, 686061), (36, 609832), (48, 457374), (62, 354096), (72, 304916), (93, 236064), (96, 228687), (124, 177048), (144, 152458), (186, 118032), (248, 88524), (279, 78688), (288, 76229), (372, 59016), (496, 44262), (558, 39344), (744, 29508), (992, 22131), (1116, 19672), (1488, 14754), (2232, 9836), (2459, 8928), (2976, 7377), (4464, 4918)]