21151230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:713

約数の個数: 64

約数和(自身を含む): 54639360

約数和(自身を除く): 33488130

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 67, 85, 102, 134, 170, 201, 255, 335, 402, 510, 619, 670, 1005, 1139, 1238, 1857, 2010, 2278, 3095, 3417, 3714, 5695, 6190, 6834, 9285, 10523, 11390, 17085, 18570, 21046, 31569, 34170, 41473, 52615, 63138, 82946, 105230, 124419, 157845, 207365, 248838, 315690, 414730, 622095, 705041, 1244190, 1410082, 2115123, 3525205, 4230246, 7050410, 10575615, 21151230]

約数ペア:

[(1, 21151230), (2, 10575615), (3, 7050410), (5, 4230246), (6, 3525205), (10, 2115123), (15, 1410082), (17, 1244190), (30, 705041), (34, 622095), (51, 414730), (67, 315690), (85, 248838), (102, 207365), (134, 157845), (170, 124419), (201, 105230), (255, 82946), (335, 63138), (402, 52615), (510, 41473), (619, 34170), (670, 31569), (1005, 21046), (1139, 18570), (1238, 17085), (1857, 11390), (2010, 10523), (2278, 9285), (3095, 6834), (3417, 6190), (3714, 5695)]