21256056

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 60465600

約数和(自身を除く): 39209544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 79, 101, 111, 148, 158, 202, 222, 237, 296, 303, 316, 333, 404, 444, 474, 606, 632, 666, 711, 808, 888, 909, 948, 1212, 1332, 1422, 1818, 1896, 2424, 2664, 2844, 2923, 3636, 3737, 5688, 5846, 7272, 7474, 7979, 8769, 11211, 11692, 14948, 15958, 17538, 22422, 23384, 23937, 26307, 29896, 31916, 33633, 35076, 44844, 47874, 52614, 63832, 67266, 70152, 71811, 89688, 95748, 105228, 134532, 143622, 191496, 210456, 269064, 287244, 295223, 574488, 590446, 885669, 1180892, 1771338, 2361784, 2657007, 3542676, 5314014, 7085352, 10628028, 21256056]

約数ペア:

[(1, 21256056), (2, 10628028), (3, 7085352), (4, 5314014), (6, 3542676), (8, 2657007), (9, 2361784), (12, 1771338), (18, 1180892), (24, 885669), (36, 590446), (37, 574488), (72, 295223), (74, 287244), (79, 269064), (101, 210456), (111, 191496), (148, 143622), (158, 134532), (202, 105228), (222, 95748), (237, 89688), (296, 71811), (303, 70152), (316, 67266), (333, 63832), (404, 52614), (444, 47874), (474, 44844), (606, 35076), (632, 33633), (666, 31916), (711, 29896), (808, 26307), (888, 23937), (909, 23384), (948, 22422), (1212, 17538), (1332, 15958), (1422, 14948), (1818, 11692), (1896, 11211), (2424, 8769), (2664, 7979), (2844, 7474), (2923, 7272), (3636, 5846), (3737, 5688)]