21780453630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3659}}^1\times {\mathrm{15263}}^1$

素因数の和:18945

約数の個数: 64

約数和(自身を含む): 56313169920

約数和(自身を除く): 34532716290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 3659, 7318, 10977, 15263, 18295, 21954, 30526, 36590, 45789, 47567, 54885, 76315, 91578, 95134, 109770, 142701, 152630, 198419, 228945, 237835, 285402, 396838, 457890, 475670, 595257, 713505, 992095, 1190514, 1427010, 1984190, 2976285, 5952570, 55847317, 111694634, 167541951, 279236585, 335083902, 558473170, 726015121, 837709755, 1452030242, 1675419510, 2178045363, 3630075605, 4356090726, 7260151210, 10890226815, 21780453630]

約数ペア:

[(1, 21780453630), (2, 10890226815), (3, 7260151210), (5, 4356090726), (6, 3630075605), (10, 2178045363), (13, 1675419510), (15, 1452030242), (26, 837709755), (30, 726015121), (39, 558473170), (65, 335083902), (78, 279236585), (130, 167541951), (195, 111694634), (390, 55847317), (3659, 5952570), (7318, 2976285), (10977, 1984190), (15263, 1427010), (18295, 1190514), (21954, 992095), (30526, 713505), (36590, 595257), (45789, 475670), (47567, 457890), (54885, 396838), (76315, 285402), (91578, 237835), (95134, 228945), (109770, 198419), (142701, 152630)]