21124552260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2647187}}^1$

素因数の和:2647225

約数の個数: 96

約数和(自身を含む): 71156413440

約数和(自身を除く): 50031861180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 2647187, 5294374, 7941561, 10588748, 13235935, 15883122, 18530309, 26471870, 31766244, 37060618, 39707805, 50296553, 52943740, 55590927, 74121236, 79415610, 92651545, 100593106, 111181854, 150889659, 158831220, 185303090, 201186212, 222363708, 251482765, 277954635, 301779318, 352075871, 370606180, 502965530, 555909270, 603558636, 704151742, 754448295, 1005931060, 1056227613, 1111818540, 1408303484, 1508896590, 1760379355, 2112455226, 3017793180, 3520758710, 4224910452, 5281138065, 7041517420, 10562276130, 21124552260]

約数ペア:

[(1, 21124552260), (2, 10562276130), (3, 7041517420), (4, 5281138065), (5, 4224910452), (6, 3520758710), (7, 3017793180), (10, 2112455226), (12, 1760379355), (14, 1508896590), (15, 1408303484), (19, 1111818540), (20, 1056227613), (21, 1005931060), (28, 754448295), (30, 704151742), (35, 603558636), (38, 555909270), (42, 502965530), (57, 370606180), (60, 352075871), (70, 301779318), (76, 277954635), (84, 251482765), (95, 222363708), (105, 201186212), (114, 185303090), (133, 158831220), (140, 150889659), (190, 111181854), (210, 100593106), (228, 92651545), (266, 79415610), (285, 74121236), (380, 55590927), (399, 52943740), (420, 50296553), (532, 39707805), (570, 37060618), (665, 31766244), (798, 26471870), (1140, 18530309), (1330, 15883122), (1596, 13235935), (1995, 10588748), (2660, 7941561), (3990, 5294374), (7980, 2647187)]