21263010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 32080350

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 59, 82, 118, 123, 177, 205, 246, 293, 295, 354, 410, 586, 590, 615, 879, 885, 1230, 1465, 1758, 1770, 2419, 2930, 4395, 4838, 7257, 8790, 12013, 12095, 14514, 17287, 24026, 24190, 34574, 36039, 36285, 51861, 60065, 72078, 72570, 86435, 103722, 120130, 172870, 180195, 259305, 360390, 518610, 708767, 1417534, 2126301, 3543835, 4252602, 7087670, 10631505, 21263010]

約数ペア:

[(1, 21263010), (2, 10631505), (3, 7087670), (5, 4252602), (6, 3543835), (10, 2126301), (15, 1417534), (30, 708767), (41, 518610), (59, 360390), (82, 259305), (118, 180195), (123, 172870), (177, 120130), (205, 103722), (246, 86435), (293, 72570), (295, 72078), (354, 60065), (410, 51861), (586, 36285), (590, 36039), (615, 34574), (879, 24190), (885, 24026), (1230, 17287), (1465, 14514), (1758, 12095), (1770, 12013), (2419, 8790), (2930, 7257), (4395, 4838)]