21366592

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:507

約数の個数: 56

約数和(自身を含む): 46519592

約数和(自身を除く): 25153000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 208, 244, 416, 421, 488, 793, 832, 842, 976, 1586, 1684, 1952, 3172, 3368, 3904, 5473, 6344, 6736, 10946, 12688, 13472, 21892, 25376, 25681, 26944, 43784, 50752, 51362, 87568, 102724, 175136, 205448, 333853, 350272, 410896, 667706, 821792, 1335412, 1643584, 2670824, 5341648, 10683296, 21366592]

約数ペア:

[(1, 21366592), (2, 10683296), (4, 5341648), (8, 2670824), (13, 1643584), (16, 1335412), (26, 821792), (32, 667706), (52, 410896), (61, 350272), (64, 333853), (104, 205448), (122, 175136), (208, 102724), (244, 87568), (416, 51362), (421, 50752), (488, 43784), (793, 26944), (832, 25681), (842, 25376), (976, 21892), (1586, 13472), (1684, 12688), (1952, 10946), (3172, 6736), (3368, 6344), (3904, 5473)]