21255936

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2129}}^1$

素因数の和:2161

約数の個数: 72

約数和(自身を含む): 60952080

約数和(自身を除く): 39696144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 2129, 2496, 3328, 4258, 4992, 6387, 8516, 9984, 12774, 17032, 25548, 27677, 34064, 51096, 55354, 68128, 83031, 102192, 110708, 136256, 166062, 204384, 221416, 272512, 332124, 408768, 442832, 545024, 664248, 817536, 885664, 1328496, 1635072, 1771328, 2656992, 3542656, 5313984, 7085312, 10627968, 21255936]

約数ペア:

[(1, 21255936), (2, 10627968), (3, 7085312), (4, 5313984), (6, 3542656), (8, 2656992), (12, 1771328), (13, 1635072), (16, 1328496), (24, 885664), (26, 817536), (32, 664248), (39, 545024), (48, 442832), (52, 408768), (64, 332124), (78, 272512), (96, 221416), (104, 204384), (128, 166062), (156, 136256), (192, 110708), (208, 102192), (256, 83031), (312, 68128), (384, 55354), (416, 51096), (624, 34064), (768, 27677), (832, 25548), (1248, 17032), (1664, 12774), (2129, 9984), (2496, 8516), (3328, 6387), (4258, 4992)]