21000620166

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1549}}^1\times {\mathrm{5779}}^1$

素因数の和:7373

約数の個数: 64

約数和(自身を含む): 46443456000

約数和(自身を除く): 25442835834

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 1549, 2346, 3098, 4647, 5779, 9294, 11558, 17337, 26333, 34674, 35627, 52666, 71254, 78999, 98243, 106881, 132917, 157998, 196486, 213762, 265834, 294729, 398751, 589458, 605659, 797502, 1211318, 1816977, 2259589, 3633954, 4519178, 6778767, 8951671, 13557534, 17903342, 26855013, 53710026, 152178407, 205888433, 304356814, 411776866, 456535221, 617665299, 913070442, 1235330598, 3500103361, 7000206722, 10500310083, 21000620166]

約数ペア:

[(1, 21000620166), (2, 10500310083), (3, 7000206722), (6, 3500103361), (17, 1235330598), (23, 913070442), (34, 617665299), (46, 456535221), (51, 411776866), (69, 304356814), (102, 205888433), (138, 152178407), (391, 53710026), (782, 26855013), (1173, 17903342), (1549, 13557534), (2346, 8951671), (3098, 6778767), (4647, 4519178), (5779, 3633954), (9294, 2259589), (11558, 1816977), (17337, 1211318), (26333, 797502), (34674, 605659), (35627, 589458), (52666, 398751), (71254, 294729), (78999, 265834), (98243, 213762), (106881, 196486), (132917, 157998)]