21000969590

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{414793}}^1$

素因数の和:414944

約数の個数: 32

約数和(自身を含む): 38884448736

約数和(自身を除く): 17883479146

約数列:

[1, 2, 5, 10, 61, 83, 122, 166, 305, 415, 610, 830, 5063, 10126, 25315, 50630, 414793, 829586, 2073965, 4147930, 25302373, 34427819, 50604746, 68855638, 126511865, 172139095, 253023730, 344278190, 2100096959, 4200193918, 10500484795, 21000969590]

約数ペア:

[(1, 21000969590), (2, 10500484795), (5, 4200193918), (10, 2100096959), (61, 344278190), (83, 253023730), (122, 172139095), (166, 126511865), (305, 68855638), (415, 50604746), (610, 34427819), (830, 25302373), (5063, 4147930), (10126, 2073965), (25315, 829586), (50630, 414793)]