16761990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4201}}^1$

素因数の和:4237

約数の個数: 64

約数和(自身を含む): 48407040

約数和(自身を除く): 31645050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4201, 8402, 12603, 21005, 25206, 29407, 42010, 58814, 63015, 79819, 88221, 126030, 147035, 159638, 176442, 239457, 294070, 399095, 441105, 478914, 558733, 798190, 882210, 1117466, 1197285, 1676199, 2394570, 2793665, 3352398, 5587330, 8380995, 16761990]

約数ペア:

[(1, 16761990), (2, 8380995), (3, 5587330), (5, 3352398), (6, 2793665), (7, 2394570), (10, 1676199), (14, 1197285), (15, 1117466), (19, 882210), (21, 798190), (30, 558733), (35, 478914), (38, 441105), (42, 399095), (57, 294070), (70, 239457), (95, 176442), (105, 159638), (114, 147035), (133, 126030), (190, 88221), (210, 79819), (266, 63015), (285, 58814), (399, 42010), (570, 29407), (665, 25206), (798, 21005), (1330, 12603), (1995, 8402), (3990, 4201)]