21000201630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1\times {\mathrm{13267}}^1$

素因数の和:16073

約数の個数: 64

約数和(自身を含む): 53076245760

約数和(自身を除く): 32076044130

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 2777, 5554, 8331, 13267, 13885, 16662, 26534, 27770, 39801, 41655, 52763, 66335, 79602, 83310, 105526, 132670, 158289, 199005, 252073, 263815, 316578, 398010, 504146, 527630, 756219, 791445, 1260365, 1512438, 1582890, 2520730, 3781095, 7562190, 36842459, 73684918, 110527377, 184212295, 221054754, 368424590, 552636885, 700006721, 1105273770, 1400013442, 2100020163, 3500033605, 4200040326, 7000067210, 10500100815, 21000201630]

約数ペア:

[(1, 21000201630), (2, 10500100815), (3, 7000067210), (5, 4200040326), (6, 3500033605), (10, 2100020163), (15, 1400013442), (19, 1105273770), (30, 700006721), (38, 552636885), (57, 368424590), (95, 221054754), (114, 184212295), (190, 110527377), (285, 73684918), (570, 36842459), (2777, 7562190), (5554, 3781095), (8331, 2520730), (13267, 1582890), (13885, 1512438), (16662, 1260365), (26534, 791445), (27770, 756219), (39801, 527630), (41655, 504146), (52763, 398010), (66335, 316578), (79602, 263815), (83310, 252073), (105526, 199005), (132670, 158289)]