21812190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2251}}^1$

素因数の和:2297

約数の個数: 64

約数和(自身を含む): 58371840

約数和(自身を除く): 36559650

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 95, 102, 114, 170, 190, 255, 285, 323, 510, 570, 646, 969, 1615, 1938, 2251, 3230, 4502, 4845, 6753, 9690, 11255, 13506, 22510, 33765, 38267, 42769, 67530, 76534, 85538, 114801, 128307, 191335, 213845, 229602, 256614, 382670, 427690, 574005, 641535, 727073, 1148010, 1283070, 1454146, 2181219, 3635365, 4362438, 7270730, 10906095, 21812190]

約数ペア:

[(1, 21812190), (2, 10906095), (3, 7270730), (5, 4362438), (6, 3635365), (10, 2181219), (15, 1454146), (17, 1283070), (19, 1148010), (30, 727073), (34, 641535), (38, 574005), (51, 427690), (57, 382670), (85, 256614), (95, 229602), (102, 213845), (114, 191335), (170, 128307), (190, 114801), (255, 85538), (285, 76534), (323, 67530), (510, 42769), (570, 38267), (646, 33765), (969, 22510), (1615, 13506), (1938, 11255), (2251, 9690), (3230, 6753), (4502, 4845)]