21906612

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{743}}^1$

素因数の和:779

約数の個数: 120

約数和(自身を含む): 70578816

約数和(自身を除く): 48672204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 743, 756, 819, 1053, 1092, 1134, 1404, 1486, 1638, 2106, 2229, 2268, 2457, 2972, 3276, 4212, 4458, 4914, 5201, 6687, 7371, 8916, 9659, 9828, 10402, 13374, 14742, 15603, 19318, 20061, 20804, 26748, 28977, 29484, 31206, 38636, 40122, 46809, 57954, 60183, 62412, 67613, 80244, 86931, 93618, 115908, 120366, 135226, 140427, 173862, 187236, 202839, 240732, 260793, 270452, 280854, 347724, 405678, 421281, 521586, 561708, 608517, 782379, 811356, 842562, 1043172, 1217034, 1564758, 1685124, 1825551, 2434068, 3129516, 3651102, 5476653, 7302204, 10953306, 21906612]

約数ペア:

[(1, 21906612), (2, 10953306), (3, 7302204), (4, 5476653), (6, 3651102), (7, 3129516), (9, 2434068), (12, 1825551), (13, 1685124), (14, 1564758), (18, 1217034), (21, 1043172), (26, 842562), (27, 811356), (28, 782379), (36, 608517), (39, 561708), (42, 521586), (52, 421281), (54, 405678), (63, 347724), (78, 280854), (81, 270452), (84, 260793), (91, 240732), (108, 202839), (117, 187236), (126, 173862), (156, 140427), (162, 135226), (182, 120366), (189, 115908), (234, 93618), (252, 86931), (273, 80244), (324, 67613), (351, 62412), (364, 60183), (378, 57954), (468, 46809), (546, 40122), (567, 38636), (702, 31206), (743, 29484), (756, 28977), (819, 26748), (1053, 20804), (1092, 20061), (1134, 19318), (1404, 15603), (1486, 14742), (1638, 13374), (2106, 10402), (2229, 9828), (2268, 9659), (2457, 8916), (2972, 7371), (3276, 6687), (4212, 5201), (4458, 4914)]