21502008

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1597}}^1$

素因数の和:1637

約数の個数: 96

約数和(自身を含む): 67307760

約数和(自身を除く): 45805752

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 33, 34, 36, 44, 51, 66, 68, 72, 88, 99, 102, 132, 136, 153, 187, 198, 204, 264, 306, 374, 396, 408, 561, 612, 748, 792, 1122, 1224, 1496, 1597, 1683, 2244, 3194, 3366, 4488, 4791, 6388, 6732, 9582, 12776, 13464, 14373, 17567, 19164, 27149, 28746, 35134, 38328, 52701, 54298, 57492, 70268, 81447, 105402, 108596, 114984, 140536, 158103, 162894, 210804, 217192, 244341, 298639, 316206, 325788, 421608, 488682, 597278, 632412, 651576, 895917, 977364, 1194556, 1264824, 1791834, 1954728, 2389112, 2687751, 3583668, 5375502, 7167336, 10751004, 21502008]

約数ペア:

[(1, 21502008), (2, 10751004), (3, 7167336), (4, 5375502), (6, 3583668), (8, 2687751), (9, 2389112), (11, 1954728), (12, 1791834), (17, 1264824), (18, 1194556), (22, 977364), (24, 895917), (33, 651576), (34, 632412), (36, 597278), (44, 488682), (51, 421608), (66, 325788), (68, 316206), (72, 298639), (88, 244341), (99, 217192), (102, 210804), (132, 162894), (136, 158103), (153, 140536), (187, 114984), (198, 108596), (204, 105402), (264, 81447), (306, 70268), (374, 57492), (396, 54298), (408, 52701), (561, 38328), (612, 35134), (748, 28746), (792, 27149), (1122, 19164), (1224, 17567), (1496, 14373), (1597, 13464), (1683, 12776), (2244, 9582), (3194, 6732), (3366, 6388), (4488, 4791)]