21417864

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3613}}^1$

素因数の和:3654

約数の個数: 64

約数和(自身を含む): 60715200

約数和(自身を除く): 39297336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 3613, 5928, 7226, 10839, 14452, 21678, 28904, 43356, 46969, 68647, 86712, 93938, 137294, 140907, 187876, 205941, 274588, 281814, 375752, 411882, 549176, 563628, 823764, 892411, 1127256, 1647528, 1784822, 2677233, 3569644, 5354466, 7139288, 10708932, 21417864]

約数ペア:

[(1, 21417864), (2, 10708932), (3, 7139288), (4, 5354466), (6, 3569644), (8, 2677233), (12, 1784822), (13, 1647528), (19, 1127256), (24, 892411), (26, 823764), (38, 563628), (39, 549176), (52, 411882), (57, 375752), (76, 281814), (78, 274588), (104, 205941), (114, 187876), (152, 140907), (156, 137294), (228, 93938), (247, 86712), (312, 68647), (456, 46969), (494, 43356), (741, 28904), (988, 21678), (1482, 14452), (1976, 10839), (2964, 7226), (3613, 5928)]