21948030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 128

約数和(自身を含む): 65116800

約数和(自身を除く): 43168770

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 37, 39, 45, 54, 65, 74, 78, 90, 111, 117, 130, 135, 169, 185, 195, 222, 234, 270, 333, 338, 351, 370, 390, 481, 507, 555, 585, 666, 702, 845, 962, 999, 1014, 1110, 1170, 1443, 1521, 1665, 1690, 1755, 1998, 2197, 2405, 2535, 2886, 3042, 3330, 3510, 4329, 4394, 4563, 4810, 4995, 5070, 6253, 6591, 7215, 7605, 8658, 9126, 9990, 10985, 12506, 12987, 13182, 14430, 15210, 18759, 19773, 21645, 21970, 22815, 25974, 31265, 32955, 37518, 39546, 43290, 45630, 56277, 59319, 62530, 64935, 65910, 81289, 93795, 98865, 112554, 118638, 129870, 162578, 168831, 187590, 197730, 243867, 281385, 296595, 337662, 406445, 487734, 562770, 593190, 731601, 812890, 844155, 1219335, 1463202, 1688310, 2194803, 2438670, 3658005, 4389606, 7316010, 10974015, 21948030]

約数ペア:

[(1, 21948030), (2, 10974015), (3, 7316010), (5, 4389606), (6, 3658005), (9, 2438670), (10, 2194803), (13, 1688310), (15, 1463202), (18, 1219335), (26, 844155), (27, 812890), (30, 731601), (37, 593190), (39, 562770), (45, 487734), (54, 406445), (65, 337662), (74, 296595), (78, 281385), (90, 243867), (111, 197730), (117, 187590), (130, 168831), (135, 162578), (169, 129870), (185, 118638), (195, 112554), (222, 98865), (234, 93795), (270, 81289), (333, 65910), (338, 64935), (351, 62530), (370, 59319), (390, 56277), (481, 45630), (507, 43290), (555, 39546), (585, 37518), (666, 32955), (702, 31265), (845, 25974), (962, 22815), (999, 21970), (1014, 21645), (1110, 19773), (1170, 18759), (1443, 15210), (1521, 14430), (1665, 13182), (1690, 12987), (1755, 12506), (1998, 10985), (2197, 9990), (2405, 9126), (2535, 8658), (2886, 7605), (3042, 7215), (3330, 6591), (3510, 6253), (4329, 5070), (4394, 4995), (4563, 4810)]