21447071490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1\times {\mathrm{2383}}^1$

素因数の和:2944

約数の個数: 128

約数和(自身を含む): 56750948352

約数和(自身を除く): 35303876862

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 491, 611, 705, 982, 1222, 1410, 1473, 1833, 2383, 2455, 2946, 3055, 3666, 4766, 4910, 6110, 6383, 7149, 7365, 9165, 11915, 12766, 14298, 14730, 18330, 19149, 23077, 23830, 30979, 31915, 35745, 38298, 46154, 61958, 63830, 69231, 71490, 92937, 95745, 112001, 115385, 138462, 154895, 185874, 191490, 224002, 230770, 300001, 309790, 336003, 346155, 464685, 560005, 600002, 672006, 692310, 900003, 929370, 1120010, 1170053, 1456013, 1500005, 1680015, 1800006, 2340106, 2912026, 3000010, 3360030, 3510159, 4368039, 4500015, 5850265, 7020318, 7280065, 8736078, 9000030, 11700530, 14560130, 15210689, 17550795, 21840195, 30421378, 35101590, 43680390, 45632067, 54992491, 76053445, 91264134, 109984982, 152106890, 164977473, 228160335, 274962455, 329954946, 456320670, 549924910, 714902383, 824887365, 1429804766, 1649774730, 2144707149, 3574511915, 4289414298, 7149023830, 10723535745, 21447071490]

約数ペア:

[(1, 21447071490), (2, 10723535745), (3, 7149023830), (5, 4289414298), (6, 3574511915), (10, 2144707149), (13, 1649774730), (15, 1429804766), (26, 824887365), (30, 714902383), (39, 549924910), (47, 456320670), (65, 329954946), (78, 274962455), (94, 228160335), (130, 164977473), (141, 152106890), (195, 109984982), (235, 91264134), (282, 76053445), (390, 54992491), (470, 45632067), (491, 43680390), (611, 35101590), (705, 30421378), (982, 21840195), (1222, 17550795), (1410, 15210689), (1473, 14560130), (1833, 11700530), (2383, 9000030), (2455, 8736078), (2946, 7280065), (3055, 7020318), (3666, 5850265), (4766, 4500015), (4910, 4368039), (6110, 3510159), (6383, 3360030), (7149, 3000010), (7365, 2912026), (9165, 2340106), (11915, 1800006), (12766, 1680015), (14298, 1500005), (14730, 1456013), (18330, 1170053), (19149, 1120010), (23077, 929370), (23830, 900003), (30979, 692310), (31915, 672006), (35745, 600002), (38298, 560005), (46154, 464685), (61958, 346155), (63830, 336003), (69231, 309790), (71490, 300001), (92937, 230770), (95745, 224002), (112001, 191490), (115385, 185874), (138462, 154895)]