21102984

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 128

約数和(自身を含む): 71020800

約数和(自身を除く): 49917816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 756, 821, 918, 952, 1071, 1224, 1428, 1512, 1642, 1836, 2142, 2463, 2856, 3213, 3284, 3672, 4284, 4926, 5747, 6426, 6568, 7389, 8568, 9852, 11494, 12852, 13957, 14778, 17241, 19704, 22167, 22988, 25704, 27914, 29556, 34482, 41871, 44334, 45976, 51723, 55828, 59112, 68964, 83742, 88668, 97699, 103446, 111656, 125613, 137928, 155169, 167484, 177336, 195398, 206892, 251226, 293097, 310338, 334968, 376839, 390796, 413784, 502452, 586194, 620676, 753678, 781592, 879291, 1004904, 1172388, 1241352, 1507356, 1758582, 2344776, 2637873, 3014712, 3517164, 5275746, 7034328, 10551492, 21102984]

約数ペア:

[(1, 21102984), (2, 10551492), (3, 7034328), (4, 5275746), (6, 3517164), (7, 3014712), (8, 2637873), (9, 2344776), (12, 1758582), (14, 1507356), (17, 1241352), (18, 1172388), (21, 1004904), (24, 879291), (27, 781592), (28, 753678), (34, 620676), (36, 586194), (42, 502452), (51, 413784), (54, 390796), (56, 376839), (63, 334968), (68, 310338), (72, 293097), (84, 251226), (102, 206892), (108, 195398), (119, 177336), (126, 167484), (136, 155169), (153, 137928), (168, 125613), (189, 111656), (204, 103446), (216, 97699), (238, 88668), (252, 83742), (306, 68964), (357, 59112), (378, 55828), (408, 51723), (459, 45976), (476, 44334), (504, 41871), (612, 34482), (714, 29556), (756, 27914), (821, 25704), (918, 22988), (952, 22167), (1071, 19704), (1224, 17241), (1428, 14778), (1512, 13957), (1642, 12852), (1836, 11494), (2142, 9852), (2463, 8568), (2856, 7389), (3213, 6568), (3284, 6426), (3672, 5747), (4284, 4926)]