21960390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 56505600

約数和(自身を除く): 34545210

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 59, 95, 114, 118, 177, 190, 285, 295, 354, 570, 590, 653, 885, 1121, 1306, 1770, 1959, 2242, 3265, 3363, 3918, 5605, 6530, 6726, 9795, 11210, 12407, 16815, 19590, 24814, 33630, 37221, 38527, 62035, 74442, 77054, 115581, 124070, 186105, 192635, 231162, 372210, 385270, 577905, 732013, 1155810, 1464026, 2196039, 3660065, 4392078, 7320130, 10980195, 21960390]

約数ペア:

[(1, 21960390), (2, 10980195), (3, 7320130), (5, 4392078), (6, 3660065), (10, 2196039), (15, 1464026), (19, 1155810), (30, 732013), (38, 577905), (57, 385270), (59, 372210), (95, 231162), (114, 192635), (118, 186105), (177, 124070), (190, 115581), (285, 77054), (295, 74442), (354, 62035), (570, 38527), (590, 37221), (653, 33630), (885, 24814), (1121, 19590), (1306, 16815), (1770, 12407), (1959, 11210), (2242, 9795), (3265, 6726), (3363, 6530), (3918, 5605)]