21431430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 59754240

約数和(自身を除く): 38322810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 83, 90, 95, 114, 151, 166, 171, 190, 249, 285, 302, 342, 415, 453, 498, 570, 747, 755, 830, 855, 906, 1245, 1359, 1494, 1510, 1577, 1710, 2265, 2490, 2718, 2869, 3154, 3735, 4530, 4731, 5738, 6795, 7470, 7885, 8607, 9462, 12533, 13590, 14193, 14345, 15770, 17214, 23655, 25066, 25821, 28386, 28690, 37599, 43035, 47310, 51642, 62665, 70965, 75198, 86070, 112797, 125330, 129105, 141930, 187995, 225594, 238127, 258210, 375990, 476254, 563985, 714381, 1127970, 1190635, 1428762, 2143143, 2381270, 3571905, 4286286, 7143810, 10715715, 21431430]

約数ペア:

[(1, 21431430), (2, 10715715), (3, 7143810), (5, 4286286), (6, 3571905), (9, 2381270), (10, 2143143), (15, 1428762), (18, 1190635), (19, 1127970), (30, 714381), (38, 563985), (45, 476254), (57, 375990), (83, 258210), (90, 238127), (95, 225594), (114, 187995), (151, 141930), (166, 129105), (171, 125330), (190, 112797), (249, 86070), (285, 75198), (302, 70965), (342, 62665), (415, 51642), (453, 47310), (498, 43035), (570, 37599), (747, 28690), (755, 28386), (830, 25821), (855, 25066), (906, 23655), (1245, 17214), (1359, 15770), (1494, 14345), (1510, 14193), (1577, 13590), (1710, 12533), (2265, 9462), (2490, 8607), (2718, 7885), (2869, 7470), (3154, 6795), (3735, 5738), (4530, 4731)]