21133476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6451}}^1$

素因数の和:6481

約数の個数: 72

約数和(自身を含む): 65758784

約数和(自身を除く): 44625308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6451, 12902, 19353, 25804, 38706, 45157, 58059, 77412, 83863, 90314, 116118, 135471, 167726, 180628, 232236, 251589, 270942, 335452, 406413, 503178, 541884, 587041, 754767, 812826, 1006356, 1174082, 1509534, 1625652, 1761123, 2348164, 3019068, 3522246, 5283369, 7044492, 10566738, 21133476]

約数ペア:

[(1, 21133476), (2, 10566738), (3, 7044492), (4, 5283369), (6, 3522246), (7, 3019068), (9, 2348164), (12, 1761123), (13, 1625652), (14, 1509534), (18, 1174082), (21, 1006356), (26, 812826), (28, 754767), (36, 587041), (39, 541884), (42, 503178), (52, 406413), (63, 335452), (78, 270942), (84, 251589), (91, 232236), (117, 180628), (126, 167726), (156, 135471), (182, 116118), (234, 90314), (252, 83863), (273, 77412), (364, 58059), (468, 45157), (546, 38706), (819, 25804), (1092, 19353), (1638, 12902), (3276, 6451)]