21002670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 96

約数和(自身を含む): 60933600

約数和(自身を除く): 39930930

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 29, 30, 39, 45, 58, 65, 78, 87, 90, 117, 130, 145, 174, 195, 234, 261, 290, 377, 390, 435, 522, 585, 619, 754, 870, 1131, 1170, 1238, 1305, 1857, 1885, 2262, 2610, 3095, 3393, 3714, 3770, 5571, 5655, 6190, 6786, 8047, 9285, 11142, 11310, 16094, 16965, 17951, 18570, 24141, 27855, 33930, 35902, 40235, 48282, 53853, 55710, 72423, 80470, 89755, 107706, 120705, 144846, 161559, 179510, 233363, 241410, 269265, 323118, 362115, 466726, 538530, 700089, 724230, 807795, 1166815, 1400178, 1615590, 2100267, 2333630, 3500445, 4200534, 7000890, 10501335, 21002670]

約数ペア:

[(1, 21002670), (2, 10501335), (3, 7000890), (5, 4200534), (6, 3500445), (9, 2333630), (10, 2100267), (13, 1615590), (15, 1400178), (18, 1166815), (26, 807795), (29, 724230), (30, 700089), (39, 538530), (45, 466726), (58, 362115), (65, 323118), (78, 269265), (87, 241410), (90, 233363), (117, 179510), (130, 161559), (145, 144846), (174, 120705), (195, 107706), (234, 89755), (261, 80470), (290, 72423), (377, 55710), (390, 53853), (435, 48282), (522, 40235), (585, 35902), (619, 33930), (754, 27855), (870, 24141), (1131, 18570), (1170, 17951), (1238, 16965), (1305, 16094), (1857, 11310), (1885, 11142), (2262, 9285), (2610, 8047), (3095, 6786), (3393, 6190), (3714, 5655), (3770, 5571)]