21904350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38091810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 47, 50, 65, 75, 78, 94, 130, 141, 150, 195, 235, 239, 282, 325, 390, 470, 478, 611, 650, 705, 717, 975, 1175, 1195, 1222, 1410, 1434, 1833, 1950, 2350, 2390, 3055, 3107, 3525, 3585, 3666, 5975, 6110, 6214, 7050, 7170, 9165, 9321, 11233, 11950, 15275, 15535, 17925, 18330, 18642, 22466, 30550, 31070, 33699, 35850, 45825, 46605, 56165, 67398, 77675, 91650, 93210, 112330, 146029, 155350, 168495, 233025, 280825, 292058, 336990, 438087, 466050, 561650, 730145, 842475, 876174, 1460290, 1684950, 2190435, 3650725, 4380870, 7301450, 10952175, 21904350]

約数ペア:

[(1, 21904350), (2, 10952175), (3, 7301450), (5, 4380870), (6, 3650725), (10, 2190435), (13, 1684950), (15, 1460290), (25, 876174), (26, 842475), (30, 730145), (39, 561650), (47, 466050), (50, 438087), (65, 336990), (75, 292058), (78, 280825), (94, 233025), (130, 168495), (141, 155350), (150, 146029), (195, 112330), (235, 93210), (239, 91650), (282, 77675), (325, 67398), (390, 56165), (470, 46605), (478, 45825), (611, 35850), (650, 33699), (705, 31070), (717, 30550), (975, 22466), (1175, 18642), (1195, 18330), (1222, 17925), (1410, 15535), (1434, 15275), (1833, 11950), (1950, 11233), (2350, 9321), (2390, 9165), (3055, 7170), (3107, 7050), (3525, 6214), (3585, 6110), (3666, 5975)]