21546616

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 52678080

約数和(自身を除く): 31131464

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1741, 1768, 3094, 3482, 6188, 6964, 12187, 12376, 13928, 22633, 24374, 29597, 45266, 48748, 59194, 90532, 97496, 118388, 158431, 181064, 207179, 236776, 316862, 384761, 414358, 633724, 769522, 828716, 1267448, 1539044, 1657432, 2693327, 3078088, 5386654, 10773308, 21546616]

約数ペア:

[(1, 21546616), (2, 10773308), (4, 5386654), (7, 3078088), (8, 2693327), (13, 1657432), (14, 1539044), (17, 1267448), (26, 828716), (28, 769522), (34, 633724), (52, 414358), (56, 384761), (68, 316862), (91, 236776), (104, 207179), (119, 181064), (136, 158431), (182, 118388), (221, 97496), (238, 90532), (364, 59194), (442, 48748), (476, 45266), (728, 29597), (884, 24374), (952, 22633), (1547, 13928), (1741, 12376), (1768, 12187), (3094, 6964), (3482, 6188)]