21326466

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{251}}^1$

素因数の和:304

約数の個数: 72

約数和(自身を含む): 52916976

約数和(自身を除く): 31590510

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 49, 51, 98, 102, 119, 147, 238, 251, 289, 294, 357, 502, 578, 714, 753, 833, 867, 1506, 1666, 1734, 1757, 2023, 2499, 3514, 4046, 4267, 4998, 5271, 6069, 8534, 10542, 12138, 12299, 12801, 14161, 24598, 25602, 28322, 29869, 36897, 42483, 59738, 72539, 73794, 84966, 89607, 145078, 179214, 209083, 217617, 418166, 435234, 507773, 627249, 1015546, 1254498, 1523319, 3046638, 3554411, 7108822, 10663233, 21326466]

約数ペア:

[(1, 21326466), (2, 10663233), (3, 7108822), (6, 3554411), (7, 3046638), (14, 1523319), (17, 1254498), (21, 1015546), (34, 627249), (42, 507773), (49, 435234), (51, 418166), (98, 217617), (102, 209083), (119, 179214), (147, 145078), (238, 89607), (251, 84966), (289, 73794), (294, 72539), (357, 59738), (502, 42483), (578, 36897), (714, 29869), (753, 28322), (833, 25602), (867, 24598), (1506, 14161), (1666, 12801), (1734, 12299), (1757, 12138), (2023, 10542), (2499, 8534), (3514, 6069), (4046, 5271), (4267, 4998)]