21419244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7727}}^1$

素因数の和:7755

約数の個数: 72

約数和(自身を含む): 67511808

約数和(自身を除く): 46092564

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7727, 15454, 23181, 30908, 46362, 54089, 69543, 84997, 92724, 108178, 139086, 162267, 169994, 216356, 254991, 278172, 324534, 339988, 486801, 509982, 594979, 649068, 764973, 973602, 1019964, 1189958, 1529946, 1784937, 1947204, 2379916, 3059892, 3569874, 5354811, 7139748, 10709622, 21419244]

約数ペア:

[(1, 21419244), (2, 10709622), (3, 7139748), (4, 5354811), (6, 3569874), (7, 3059892), (9, 2379916), (11, 1947204), (12, 1784937), (14, 1529946), (18, 1189958), (21, 1019964), (22, 973602), (28, 764973), (33, 649068), (36, 594979), (42, 509982), (44, 486801), (63, 339988), (66, 324534), (77, 278172), (84, 254991), (99, 216356), (126, 169994), (132, 162267), (154, 139086), (198, 108178), (231, 92724), (252, 84997), (308, 69543), (396, 54089), (462, 46362), (693, 30908), (924, 23181), (1386, 15454), (2772, 7727)]