21878136

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 68664960

約数和(自身を除く): 46786824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 83, 84, 126, 166, 168, 249, 252, 332, 498, 504, 523, 581, 664, 747, 996, 1046, 1162, 1494, 1569, 1743, 1992, 2092, 2324, 2988, 3138, 3486, 3661, 4184, 4648, 4707, 5229, 5976, 6276, 6972, 7322, 9414, 10458, 10983, 12552, 13944, 14644, 18828, 20916, 21966, 29288, 32949, 37656, 41832, 43409, 43932, 65898, 86818, 87864, 130227, 131796, 173636, 260454, 263592, 303863, 347272, 390681, 520908, 607726, 781362, 911589, 1041816, 1215452, 1562724, 1823178, 2430904, 2734767, 3125448, 3646356, 5469534, 7292712, 10939068, 21878136]

約数ペア:

[(1, 21878136), (2, 10939068), (3, 7292712), (4, 5469534), (6, 3646356), (7, 3125448), (8, 2734767), (9, 2430904), (12, 1823178), (14, 1562724), (18, 1215452), (21, 1041816), (24, 911589), (28, 781362), (36, 607726), (42, 520908), (56, 390681), (63, 347272), (72, 303863), (83, 263592), (84, 260454), (126, 173636), (166, 131796), (168, 130227), (249, 87864), (252, 86818), (332, 65898), (498, 43932), (504, 43409), (523, 41832), (581, 37656), (664, 32949), (747, 29288), (996, 21966), (1046, 20916), (1162, 18828), (1494, 14644), (1569, 13944), (1743, 12552), (1992, 10983), (2092, 10458), (2324, 9414), (2988, 7322), (3138, 6972), (3486, 6276), (3661, 5976), (4184, 5229), (4648, 4707)]