21667980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 64915200

約数和(自身を除く): 43247220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 83, 95, 114, 166, 190, 228, 229, 249, 285, 332, 380, 415, 458, 498, 570, 687, 830, 916, 996, 1140, 1145, 1245, 1374, 1577, 1660, 2290, 2490, 2748, 3154, 3435, 4351, 4580, 4731, 4980, 6308, 6870, 7885, 8702, 9462, 13053, 13740, 15770, 17404, 18924, 19007, 21755, 23655, 26106, 31540, 38014, 43510, 47310, 52212, 57021, 65265, 76028, 87020, 94620, 95035, 114042, 130530, 190070, 228084, 261060, 285105, 361133, 380140, 570210, 722266, 1083399, 1140420, 1444532, 1805665, 2166798, 3611330, 4333596, 5416995, 7222660, 10833990, 21667980]

約数ペア:

[(1, 21667980), (2, 10833990), (3, 7222660), (4, 5416995), (5, 4333596), (6, 3611330), (10, 2166798), (12, 1805665), (15, 1444532), (19, 1140420), (20, 1083399), (30, 722266), (38, 570210), (57, 380140), (60, 361133), (76, 285105), (83, 261060), (95, 228084), (114, 190070), (166, 130530), (190, 114042), (228, 95035), (229, 94620), (249, 87020), (285, 76028), (332, 65265), (380, 57021), (415, 52212), (458, 47310), (498, 43510), (570, 38014), (687, 31540), (830, 26106), (916, 23655), (996, 21755), (1140, 19007), (1145, 18924), (1245, 17404), (1374, 15770), (1577, 13740), (1660, 13053), (2290, 9462), (2490, 8702), (2748, 7885), (3154, 6870), (3435, 6308), (4351, 4980), (4580, 4731)]