21336952

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 30373448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 53, 56, 79, 91, 98, 104, 106, 158, 182, 196, 212, 316, 364, 371, 392, 424, 553, 632, 637, 689, 728, 742, 1027, 1106, 1274, 1378, 1484, 2054, 2212, 2548, 2597, 2756, 2968, 3871, 4108, 4187, 4424, 4823, 5096, 5194, 5512, 7189, 7742, 8216, 8374, 9646, 10388, 14378, 15484, 16748, 19292, 20776, 28756, 29309, 30968, 33496, 33761, 38584, 50323, 54431, 57512, 58618, 67522, 100646, 108862, 117236, 135044, 201292, 205163, 217724, 234472, 270088, 381017, 402584, 410326, 435448, 762034, 820652, 1524068, 1641304, 2667119, 3048136, 5334238, 10668476, 21336952]

約数ペア:

[(1, 21336952), (2, 10668476), (4, 5334238), (7, 3048136), (8, 2667119), (13, 1641304), (14, 1524068), (26, 820652), (28, 762034), (49, 435448), (52, 410326), (53, 402584), (56, 381017), (79, 270088), (91, 234472), (98, 217724), (104, 205163), (106, 201292), (158, 135044), (182, 117236), (196, 108862), (212, 100646), (316, 67522), (364, 58618), (371, 57512), (392, 54431), (424, 50323), (553, 38584), (632, 33761), (637, 33496), (689, 30968), (728, 29309), (742, 28756), (1027, 20776), (1106, 19292), (1274, 16748), (1378, 15484), (1484, 14378), (2054, 10388), (2212, 9646), (2548, 8374), (2597, 8216), (2756, 7742), (2968, 7189), (3871, 5512), (4108, 5194), (4187, 5096), (4424, 4823)]