21461004070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 45182085120

約数和(自身を除く): 23721081050

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 113, 121, 190, 209, 226, 242, 418, 565, 605, 751, 1045, 1130, 1210, 1243, 1331, 1502, 2090, 2147, 2299, 2486, 2662, 3755, 4294, 4598, 6215, 6655, 7510, 8261, 10735, 11495, 12430, 13310, 13673, 14269, 16522, 21470, 22990, 23617, 25289, 27346, 28538, 41305, 47234, 50578, 68365, 71345, 82610, 84863, 90871, 118085, 126445, 136730, 142690, 150403, 156959, 169726, 181742, 236170, 252890, 259787, 300806, 313918, 424315, 454355, 519574, 752015, 784795, 848630, 908710, 933493, 999581, 1298935, 1504030, 1569590, 1612397, 1726549, 1866986, 1999162, 2597870, 2857657, 3224794, 3453098, 4667465, 4997905, 5715314, 8061985, 8632745, 9334930, 9995810, 10268423, 14288285, 16123970, 17265490, 17736367, 18992039, 20536846, 28576570, 35472734, 37984078, 51342115, 88681835, 94960195, 102684230, 112952653, 177363670, 189920390, 195100037, 225905306, 390200074, 564763265, 975500185, 1129526530, 1951000370, 2146100407, 4292200814, 10730502035, 21461004070]

約数ペア:

[(1, 21461004070), (2, 10730502035), (5, 4292200814), (10, 2146100407), (11, 1951000370), (19, 1129526530), (22, 975500185), (38, 564763265), (55, 390200074), (95, 225905306), (110, 195100037), (113, 189920390), (121, 177363670), (190, 112952653), (209, 102684230), (226, 94960195), (242, 88681835), (418, 51342115), (565, 37984078), (605, 35472734), (751, 28576570), (1045, 20536846), (1130, 18992039), (1210, 17736367), (1243, 17265490), (1331, 16123970), (1502, 14288285), (2090, 10268423), (2147, 9995810), (2299, 9334930), (2486, 8632745), (2662, 8061985), (3755, 5715314), (4294, 4997905), (4598, 4667465), (6215, 3453098), (6655, 3224794), (7510, 2857657), (8261, 2597870), (10735, 1999162), (11495, 1866986), (12430, 1726549), (13310, 1612397), (13673, 1569590), (14269, 1504030), (16522, 1298935), (21470, 999581), (22990, 933493), (23617, 908710), (25289, 848630), (27346, 784795), (28538, 752015), (41305, 519574), (47234, 454355), (50578, 424315), (68365, 313918), (71345, 300806), (82610, 259787), (84863, 252890), (90871, 236170), (118085, 181742), (126445, 169726), (136730, 156959), (142690, 150403)]