21093146964

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{401}}^1\times {\mathrm{7417}}^1$

素因数の和:8025

約数の個数: 72

約数和(自身を含む): 53730324648

約数和(自身を除く): 32637177684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 401, 591, 788, 802, 1182, 1203, 1604, 1773, 2364, 2406, 3546, 3609, 4812, 7092, 7218, 7417, 14436, 14834, 22251, 29668, 44502, 66753, 78997, 89004, 133506, 157994, 236991, 267012, 315988, 473982, 710973, 947964, 1421946, 1461149, 2843892, 2922298, 2974217, 4383447, 5844596, 5948434, 8766894, 8922651, 11896868, 13150341, 17533788, 17845302, 26300682, 26767953, 35690604, 52601364, 53535906, 107071812, 585920749, 1171841498, 1757762247, 2343682996, 3515524494, 5273286741, 7031048988, 10546573482, 21093146964]

約数ペア:

[(1, 21093146964), (2, 10546573482), (3, 7031048988), (4, 5273286741), (6, 3515524494), (9, 2343682996), (12, 1757762247), (18, 1171841498), (36, 585920749), (197, 107071812), (394, 53535906), (401, 52601364), (591, 35690604), (788, 26767953), (802, 26300682), (1182, 17845302), (1203, 17533788), (1604, 13150341), (1773, 11896868), (2364, 8922651), (2406, 8766894), (3546, 5948434), (3609, 5844596), (4812, 4383447), (7092, 2974217), (7218, 2922298), (7417, 2843892), (14436, 1461149), (14834, 1421946), (22251, 947964), (29668, 710973), (44502, 473982), (66753, 315988), (78997, 267012), (89004, 236991), (133506, 157994)]