21473634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 53738496

約数和(自身を除く): 32264862

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 67, 78, 91, 134, 182, 201, 273, 402, 469, 546, 587, 871, 938, 1174, 1407, 1742, 1761, 2613, 2814, 3522, 4109, 5226, 6097, 7631, 8218, 12194, 12327, 15262, 18291, 22893, 24654, 36582, 39329, 45786, 53417, 78658, 106834, 117987, 160251, 235974, 275303, 320502, 511277, 550606, 825909, 1022554, 1533831, 1651818, 3067662, 3578939, 7157878, 10736817, 21473634]

約数ペア:

[(1, 21473634), (2, 10736817), (3, 7157878), (6, 3578939), (7, 3067662), (13, 1651818), (14, 1533831), (21, 1022554), (26, 825909), (39, 550606), (42, 511277), (67, 320502), (78, 275303), (91, 235974), (134, 160251), (182, 117987), (201, 106834), (273, 78658), (402, 53417), (469, 45786), (546, 39329), (587, 36582), (871, 24654), (938, 22893), (1174, 18291), (1407, 15262), (1742, 12327), (1761, 12194), (2613, 8218), (2814, 7631), (3522, 6097), (4109, 5226)]