21291684264

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{20407}}^1$

素因数の和:20799

約数の個数: 96

約数和(自身を含む): 59184016320

約数和(自身を除く): 37892332056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 337, 344, 387, 516, 674, 774, 1011, 1032, 1348, 1548, 2022, 2696, 3033, 3096, 4044, 6066, 8088, 12132, 14491, 20407, 24264, 28982, 40814, 43473, 57964, 61221, 81628, 86946, 115928, 122442, 130419, 163256, 173892, 183663, 244884, 260838, 347784, 367326, 489768, 521676, 734652, 877501, 1043352, 1469304, 1755002, 2632503, 3510004, 5265006, 6877159, 7020008, 7897509, 10530012, 13754318, 15795018, 20631477, 21060024, 27508636, 31590036, 41262954, 55017272, 61894431, 63180072, 82525908, 123788862, 165051816, 247577724, 295717837, 495155448, 591435674, 887153511, 1182871348, 1774307022, 2365742696, 2661460533, 3548614044, 5322921066, 7097228088, 10645842132, 21291684264]

約数ペア:

[(1, 21291684264), (2, 10645842132), (3, 7097228088), (4, 5322921066), (6, 3548614044), (8, 2661460533), (9, 2365742696), (12, 1774307022), (18, 1182871348), (24, 887153511), (36, 591435674), (43, 495155448), (72, 295717837), (86, 247577724), (129, 165051816), (172, 123788862), (258, 82525908), (337, 63180072), (344, 61894431), (387, 55017272), (516, 41262954), (674, 31590036), (774, 27508636), (1011, 21060024), (1032, 20631477), (1348, 15795018), (1548, 13754318), (2022, 10530012), (2696, 7897509), (3033, 7020008), (3096, 6877159), (4044, 5265006), (6066, 3510004), (8088, 2632503), (12132, 1755002), (14491, 1469304), (20407, 1043352), (24264, 877501), (28982, 734652), (40814, 521676), (43473, 489768), (57964, 367326), (61221, 347784), (81628, 260838), (86946, 244884), (115928, 183663), (122442, 173892), (130419, 163256)]