21914220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 66124800

約数和(自身を除く): 44210580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 47, 57, 60, 76, 94, 95, 114, 141, 188, 190, 228, 235, 282, 285, 380, 409, 470, 564, 570, 705, 818, 893, 940, 1140, 1227, 1410, 1636, 1786, 2045, 2454, 2679, 2820, 3572, 4090, 4465, 4908, 5358, 6135, 7771, 8180, 8930, 10716, 12270, 13395, 15542, 17860, 19223, 23313, 24540, 26790, 31084, 38446, 38855, 46626, 53580, 57669, 76892, 77710, 93252, 96115, 115338, 116565, 155420, 192230, 230676, 233130, 288345, 365237, 384460, 466260, 576690, 730474, 1095711, 1153380, 1460948, 1826185, 2191422, 3652370, 4382844, 5478555, 7304740, 10957110, 21914220]

約数ペア:

[(1, 21914220), (2, 10957110), (3, 7304740), (4, 5478555), (5, 4382844), (6, 3652370), (10, 2191422), (12, 1826185), (15, 1460948), (19, 1153380), (20, 1095711), (30, 730474), (38, 576690), (47, 466260), (57, 384460), (60, 365237), (76, 288345), (94, 233130), (95, 230676), (114, 192230), (141, 155420), (188, 116565), (190, 115338), (228, 96115), (235, 93252), (282, 77710), (285, 76892), (380, 57669), (409, 53580), (470, 46626), (564, 38855), (570, 38446), (705, 31084), (818, 26790), (893, 24540), (940, 23313), (1140, 19223), (1227, 17860), (1410, 15542), (1636, 13395), (1786, 12270), (2045, 10716), (2454, 8930), (2679, 8180), (2820, 7771), (3572, 6135), (4090, 5358), (4465, 4908)]