21107880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3449}}^1$

素因数の和:3483

約数の個数: 96

約数和(自身を含む): 72657000

約数和(自身を除く): 51549120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3449, 6120, 6898, 10347, 13796, 17245, 20694, 27592, 31041, 34490, 41388, 51735, 58633, 62082, 68980, 82776, 103470, 117266, 124164, 137960, 155205, 175899, 206940, 234532, 248328, 293165, 310410, 351798, 413880, 469064, 527697, 586330, 620820, 703596, 879495, 1055394, 1172660, 1241640, 1407192, 1758990, 2110788, 2345320, 2638485, 3517980, 4221576, 5276970, 7035960, 10553940, 21107880]

約数ペア:

[(1, 21107880), (2, 10553940), (3, 7035960), (4, 5276970), (5, 4221576), (6, 3517980), (8, 2638485), (9, 2345320), (10, 2110788), (12, 1758990), (15, 1407192), (17, 1241640), (18, 1172660), (20, 1055394), (24, 879495), (30, 703596), (34, 620820), (36, 586330), (40, 527697), (45, 469064), (51, 413880), (60, 351798), (68, 310410), (72, 293165), (85, 248328), (90, 234532), (102, 206940), (120, 175899), (136, 155205), (153, 137960), (170, 124164), (180, 117266), (204, 103470), (255, 82776), (306, 68980), (340, 62082), (360, 58633), (408, 51735), (510, 41388), (612, 34490), (680, 31041), (765, 27592), (1020, 20694), (1224, 17245), (1530, 13796), (2040, 10347), (3060, 6898), (3449, 6120)]