21532812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 61065984

約数和(自身を除く): 39533172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 867, 887, 1156, 1428, 1734, 1774, 2023, 2661, 3468, 3548, 4046, 5322, 6069, 6209, 8092, 10644, 12138, 12418, 15079, 18627, 24276, 24836, 30158, 37254, 45237, 60316, 74508, 90474, 105553, 180948, 211106, 256343, 316659, 422212, 512686, 633318, 769029, 1025372, 1266636, 1538058, 1794401, 3076116, 3588802, 5383203, 7177604, 10766406, 21532812]

約数ペア:

[(1, 21532812), (2, 10766406), (3, 7177604), (4, 5383203), (6, 3588802), (7, 3076116), (12, 1794401), (14, 1538058), (17, 1266636), (21, 1025372), (28, 769029), (34, 633318), (42, 512686), (51, 422212), (68, 316659), (84, 256343), (102, 211106), (119, 180948), (204, 105553), (238, 90474), (289, 74508), (357, 60316), (476, 45237), (578, 37254), (714, 30158), (867, 24836), (887, 24276), (1156, 18627), (1428, 15079), (1734, 12418), (1774, 12138), (2023, 10644), (2661, 8092), (3468, 6209), (3548, 6069), (4046, 5322)]