21888330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 33148470

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 139, 145, 174, 181, 278, 290, 362, 417, 435, 543, 695, 834, 870, 905, 1086, 1390, 1810, 2085, 2715, 4031, 4170, 5249, 5430, 8062, 10498, 12093, 15747, 20155, 24186, 25159, 26245, 31494, 40310, 50318, 52490, 60465, 75477, 78735, 120930, 125795, 150954, 157470, 251590, 377385, 729611, 754770, 1459222, 2188833, 3648055, 4377666, 7296110, 10944165, 21888330]

約数ペア:

[(1, 21888330), (2, 10944165), (3, 7296110), (5, 4377666), (6, 3648055), (10, 2188833), (15, 1459222), (29, 754770), (30, 729611), (58, 377385), (87, 251590), (139, 157470), (145, 150954), (174, 125795), (181, 120930), (278, 78735), (290, 75477), (362, 60465), (417, 52490), (435, 50318), (543, 40310), (695, 31494), (834, 26245), (870, 25159), (905, 24186), (1086, 20155), (1390, 15747), (1810, 12093), (2085, 10498), (2715, 8062), (4031, 5430), (4170, 5249)]