21575484

素因数分解:

$2^2\times 3^6\times 7^2\times {\mathrm{151}}^1$

素因数の和:187

約数の個数: 126

約数和(自身を含む): 66288264

約数和(自身を除く): 44712780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 151, 162, 189, 196, 243, 252, 294, 302, 324, 378, 441, 453, 486, 567, 588, 604, 729, 756, 882, 906, 972, 1057, 1134, 1323, 1359, 1458, 1701, 1764, 1812, 2114, 2268, 2646, 2718, 2916, 3171, 3402, 3969, 4077, 4228, 5103, 5292, 5436, 6342, 6804, 7399, 7938, 8154, 9513, 10206, 11907, 12231, 12684, 14798, 15876, 16308, 19026, 20412, 22197, 23814, 24462, 28539, 29596, 35721, 36693, 38052, 44394, 47628, 48924, 57078, 66591, 71442, 73386, 85617, 88788, 110079, 114156, 133182, 142884, 146772, 171234, 199773, 220158, 256851, 266364, 342468, 399546, 440316, 513702, 599319, 770553, 799092, 1027404, 1198638, 1541106, 1797957, 2397276, 3082212, 3595914, 5393871, 7191828, 10787742, 21575484]

約数ペア:

[(1, 21575484), (2, 10787742), (3, 7191828), (4, 5393871), (6, 3595914), (7, 3082212), (9, 2397276), (12, 1797957), (14, 1541106), (18, 1198638), (21, 1027404), (27, 799092), (28, 770553), (36, 599319), (42, 513702), (49, 440316), (54, 399546), (63, 342468), (81, 266364), (84, 256851), (98, 220158), (108, 199773), (126, 171234), (147, 146772), (151, 142884), (162, 133182), (189, 114156), (196, 110079), (243, 88788), (252, 85617), (294, 73386), (302, 71442), (324, 66591), (378, 57078), (441, 48924), (453, 47628), (486, 44394), (567, 38052), (588, 36693), (604, 35721), (729, 29596), (756, 28539), (882, 24462), (906, 23814), (972, 22197), (1057, 20412), (1134, 19026), (1323, 16308), (1359, 15876), (1458, 14798), (1701, 12684), (1764, 12231), (1812, 11907), (2114, 10206), (2268, 9513), (2646, 8154), (2718, 7938), (2916, 7399), (3171, 6804), (3402, 6342), (3969, 5436), (4077, 5292), (4228, 5103)]