21077460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6163}}^1$

素因数の和:6197

約数の個数: 72

約数和(自身を含む): 67310880

約数和(自身を除く): 46233420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 6163, 12326, 18489, 24652, 30815, 36978, 55467, 61630, 73956, 92445, 110934, 117097, 123260, 184890, 221868, 234194, 277335, 351291, 369780, 468388, 554670, 585485, 702582, 1053873, 1109340, 1170970, 1405164, 1756455, 2107746, 2341940, 3512910, 4215492, 5269365, 7025820, 10538730, 21077460]

約数ペア:

[(1, 21077460), (2, 10538730), (3, 7025820), (4, 5269365), (5, 4215492), (6, 3512910), (9, 2341940), (10, 2107746), (12, 1756455), (15, 1405164), (18, 1170970), (19, 1109340), (20, 1053873), (30, 702582), (36, 585485), (38, 554670), (45, 468388), (57, 369780), (60, 351291), (76, 277335), (90, 234194), (95, 221868), (114, 184890), (171, 123260), (180, 117097), (190, 110934), (228, 92445), (285, 73956), (342, 61630), (380, 55467), (570, 36978), (684, 30815), (855, 24652), (1140, 18489), (1710, 12326), (3420, 6163)]