21797256

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3677}}^1$

素因数の和:3718

約数の個数: 64

約数和(自身を含む): 61790400

約数和(自身を除く): 39993144

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, 3677, 5928, 7354, 11031, 14708, 22062, 29416, 44124, 47801, 69863, 88248, 95602, 139726, 143403, 191204, 209589, 279452, 286806, 382408, 419178, 558904, 573612, 838356, 908219, 1147224, 1676712, 1816438, 2724657, 3632876, 5449314, 7265752, 10898628, 21797256]

約数ペア:

[(1, 21797256), (2, 10898628), (3, 7265752), (4, 5449314), (6, 3632876), (8, 2724657), (12, 1816438), (13, 1676712), (19, 1147224), (24, 908219), (26, 838356), (38, 573612), (39, 558904), (52, 419178), (57, 382408), (76, 286806), (78, 279452), (104, 209589), (114, 191204), (152, 143403), (156, 139726), (228, 95602), (247, 88248), (312, 69863), (456, 47801), (494, 44124), (741, 29416), (988, 22062), (1482, 14708), (1976, 11031), (2964, 7354), (3677, 5928)]