21202830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 128

約数和(自身を含む): 63244800

約数和(自身を除く): 42041970

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 59, 66, 90, 99, 110, 118, 121, 135, 165, 177, 198, 242, 270, 295, 297, 330, 354, 363, 495, 531, 590, 594, 605, 649, 726, 885, 990, 1062, 1089, 1210, 1298, 1331, 1485, 1593, 1770, 1815, 1947, 2178, 2655, 2662, 2970, 3186, 3245, 3267, 3630, 3894, 3993, 5310, 5445, 5841, 6490, 6534, 6655, 7139, 7965, 7986, 9735, 10890, 11682, 11979, 13310, 14278, 15930, 16335, 17523, 19470, 19965, 21417, 23958, 29205, 32670, 35046, 35695, 35937, 39930, 42834, 58410, 59895, 64251, 71390, 71874, 78529, 87615, 107085, 119790, 128502, 157058, 175230, 179685, 192753, 214170, 235587, 321255, 359370, 385506, 392645, 471174, 642510, 706761, 785290, 963765, 1177935, 1413522, 1927530, 2120283, 2355870, 3533805, 4240566, 7067610, 10601415, 21202830]

約数ペア:

[(1, 21202830), (2, 10601415), (3, 7067610), (5, 4240566), (6, 3533805), (9, 2355870), (10, 2120283), (11, 1927530), (15, 1413522), (18, 1177935), (22, 963765), (27, 785290), (30, 706761), (33, 642510), (45, 471174), (54, 392645), (55, 385506), (59, 359370), (66, 321255), (90, 235587), (99, 214170), (110, 192753), (118, 179685), (121, 175230), (135, 157058), (165, 128502), (177, 119790), (198, 107085), (242, 87615), (270, 78529), (295, 71874), (297, 71390), (330, 64251), (354, 59895), (363, 58410), (495, 42834), (531, 39930), (590, 35937), (594, 35695), (605, 35046), (649, 32670), (726, 29205), (885, 23958), (990, 21417), (1062, 19965), (1089, 19470), (1210, 17523), (1298, 16335), (1331, 15930), (1485, 14278), (1593, 13310), (1770, 11979), (1815, 11682), (1947, 10890), (2178, 9735), (2655, 7986), (2662, 7965), (2970, 7139), (3186, 6655), (3245, 6534), (3267, 6490), (3630, 5841), (3894, 5445), (3993, 5310)]