21270144434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1453}}^1\times {\mathrm{5003}}^1$

素因数の和:6495

約数の個数: 64

約数和(自身を含む): 41908700160

約数和(自身を除く): 20638555726

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1453, 1463, 2906, 2926, 5003, 10006, 10171, 15983, 20342, 27607, 31966, 35021, 55033, 55214, 70042, 95057, 110066, 111881, 190114, 193249, 223762, 303677, 385231, 386498, 607354, 665399, 770462, 1045627, 1330798, 2091254, 2125739, 4251478, 7269359, 7319389, 14538718, 14638778, 50885513, 79962949, 101771026, 138117821, 159925898, 276235642, 559740643, 966824747, 1119481286, 1519296031, 1933649494, 3038592062, 10635072217, 21270144434]

約数ペア:

[(1, 21270144434), (2, 10635072217), (7, 3038592062), (11, 1933649494), (14, 1519296031), (19, 1119481286), (22, 966824747), (38, 559740643), (77, 276235642), (133, 159925898), (154, 138117821), (209, 101771026), (266, 79962949), (418, 50885513), (1453, 14638778), (1463, 14538718), (2906, 7319389), (2926, 7269359), (5003, 4251478), (10006, 2125739), (10171, 2091254), (15983, 1330798), (20342, 1045627), (27607, 770462), (31966, 665399), (35021, 607354), (55033, 386498), (55214, 385231), (70042, 303677), (95057, 223762), (110066, 193249), (111881, 190114)]