21718476

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:556

約数の個数: 96

約数和(自身を含む): 62720000

約数和(自身を除く): 41001524

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 31, 36, 39, 52, 54, 62, 78, 93, 108, 117, 124, 156, 186, 234, 279, 351, 372, 403, 468, 499, 558, 702, 806, 837, 998, 1116, 1209, 1404, 1497, 1612, 1674, 1996, 2418, 2994, 3348, 3627, 4491, 4836, 5988, 6487, 7254, 8982, 10881, 12974, 13473, 14508, 15469, 17964, 19461, 21762, 25948, 26946, 30938, 38922, 43524, 46407, 53892, 58383, 61876, 77844, 92814, 116766, 139221, 175149, 185628, 201097, 233532, 278442, 350298, 402194, 417663, 556884, 603291, 700596, 804388, 835326, 1206582, 1670652, 1809873, 2413164, 3619746, 5429619, 7239492, 10859238, 21718476]

約数ペア:

[(1, 21718476), (2, 10859238), (3, 7239492), (4, 5429619), (6, 3619746), (9, 2413164), (12, 1809873), (13, 1670652), (18, 1206582), (26, 835326), (27, 804388), (31, 700596), (36, 603291), (39, 556884), (52, 417663), (54, 402194), (62, 350298), (78, 278442), (93, 233532), (108, 201097), (117, 185628), (124, 175149), (156, 139221), (186, 116766), (234, 92814), (279, 77844), (351, 61876), (372, 58383), (403, 53892), (468, 46407), (499, 43524), (558, 38922), (702, 30938), (806, 26946), (837, 25948), (998, 21762), (1116, 19461), (1209, 17964), (1404, 15469), (1497, 14508), (1612, 13473), (1674, 12974), (1996, 10881), (2418, 8982), (2994, 7254), (3348, 6487), (3627, 5988), (4491, 4836)]