21314280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1051}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 69305760

約数和(自身を除く): 47991480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1051, 1352, 1560, 1690, 2028, 2102, 2535, 3153, 3380, 4056, 4204, 5070, 5255, 6306, 6760, 8408, 10140, 10510, 12612, 13663, 15765, 20280, 21020, 25224, 27326, 31530, 40989, 42040, 54652, 63060, 68315, 81978, 109304, 126120, 136630, 163956, 177619, 204945, 273260, 327912, 355238, 409890, 532857, 546520, 710476, 819780, 888095, 1065714, 1420952, 1639560, 1776190, 2131428, 2664285, 3552380, 4262856, 5328570, 7104760, 10657140, 21314280]

約数ペア:

[(1, 21314280), (2, 10657140), (3, 7104760), (4, 5328570), (5, 4262856), (6, 3552380), (8, 2664285), (10, 2131428), (12, 1776190), (13, 1639560), (15, 1420952), (20, 1065714), (24, 888095), (26, 819780), (30, 710476), (39, 546520), (40, 532857), (52, 409890), (60, 355238), (65, 327912), (78, 273260), (104, 204945), (120, 177619), (130, 163956), (156, 136630), (169, 126120), (195, 109304), (260, 81978), (312, 68315), (338, 63060), (390, 54652), (507, 42040), (520, 40989), (676, 31530), (780, 27326), (845, 25224), (1014, 21020), (1051, 20280), (1352, 15765), (1560, 13663), (1690, 12612), (2028, 10510), (2102, 10140), (2535, 8408), (3153, 6760), (3380, 6306), (4056, 5255), (4204, 5070)]