21563360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1$

素因数の和:1516

約数の個数: 96

約数和(自身を含む): 62741952

約数和(自身を除く): 41178592

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1481, 1820, 2080, 2912, 2962, 3640, 5924, 7280, 7405, 10367, 11848, 14560, 14810, 19253, 20734, 23696, 29620, 38506, 41468, 47392, 51835, 59240, 77012, 82936, 96265, 103670, 118480, 134771, 154024, 165872, 192530, 207340, 236960, 269542, 308048, 331744, 385060, 414680, 539084, 616096, 673855, 770120, 829360, 1078168, 1347710, 1540240, 1658720, 2156336, 2695420, 3080480, 4312672, 5390840, 10781680, 21563360]

約数ペア:

[(1, 21563360), (2, 10781680), (4, 5390840), (5, 4312672), (7, 3080480), (8, 2695420), (10, 2156336), (13, 1658720), (14, 1540240), (16, 1347710), (20, 1078168), (26, 829360), (28, 770120), (32, 673855), (35, 616096), (40, 539084), (52, 414680), (56, 385060), (65, 331744), (70, 308048), (80, 269542), (91, 236960), (104, 207340), (112, 192530), (130, 165872), (140, 154024), (160, 134771), (182, 118480), (208, 103670), (224, 96265), (260, 82936), (280, 77012), (364, 59240), (416, 51835), (455, 47392), (520, 41468), (560, 38506), (728, 29620), (910, 23696), (1040, 20734), (1120, 19253), (1456, 14810), (1481, 14560), (1820, 11848), (2080, 10367), (2912, 7405), (2962, 7280), (3640, 5924)]