21014716821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1898863}}^1$

素因数の和:1898921

約数の個数: 32

約数和(自身を含む): 34999861248

約数和(自身を除く): 13985144427

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 11067, 1898863, 5696589, 13292041, 32280671, 39876123, 58864753, 96842013, 176594259, 225964697, 412053271, 677894091, 1000700801, 1236159813, 3002102403, 7004905607, 21014716821]

約数ペア:

[(1, 21014716821), (3, 7004905607), (7, 3002102403), (17, 1236159813), (21, 1000700801), (31, 677894091), (51, 412053271), (93, 225964697), (119, 176594259), (217, 96842013), (357, 58864753), (527, 39876123), (651, 32280671), (1581, 13292041), (3689, 5696589), (11067, 1898863)]